Yuval Noah Harari

1:In the past, censorship worked by blocking the flow of information. In the twenty-first century, censorship works by flooding people with irrelevant information. People just don't know what to pay attention to, and they often spend their time investigating and debating side issues. In ancient times having power meant having access to data. Today having power means knowing what to ignore. ~ Yuval Noah Harari, Homo Deus,

* WISDOM TROVE *

1:Biology enables, culture forbids. ~ yuval-noah-harari, @wisdomtrove

2:The more we know, the less we can predict. ~ yuval-noah-harari, @wisdomtrove

3:Our language evolved as a way of gossiping. ~ yuval-noah-harari, @wisdomtrove

4:Consistency is the playground of dull minds. ~ yuval-noah-harari, @wisdomtrove

5:Does happiness really depend on self-delusion? ~ yuval-noah-harari, @wisdomtrove

6:We did not domesticate wheat. It domesticated us. ~ yuval-noah-harari, @wisdomtrove

7:Soon, books will read you while you are reading them. ~ yuval-noah-harari, @wisdomtrove

8:We cannot predict the future but we can influence it. ~ yuval-noah-harari, @wisdomtrove

9:Religion is a deal, whereas spirituality is a journey. ~ yuval-noah-harari, @wisdomtrove

10:Silence isn’t neutrality; it is supporting the status-quo. ~ yuval-noah-harari, @wisdomtrove

11:In a world deluged by irrelevant information, clarity is power. ~ yuval-noah-harari, @wisdomtrove

12:The governmental tortoise cannot keep up with the technological hare.? ~ yuval-noah-harari, @wisdomtrove

13:Humans were always far better at inventing tools than using them wisely. ~ yuval-noah-harari, @wisdomtrove

14:One on one, even ten on ten, we are embarrassingly similar to chimpanzees. ~ yuval-noah-harari, @wisdomtrove

15:money is the most universal and most efficient system of mutual trust ever devised. ~ yuval-noah-harari, @wisdomtrove

16:Questions you cannot answer are usually far better for you than answers you cannot question. ~ yuval-noah-harari, @wisdomtrove

17:We are full of fears and anxieties over our position, which makes us doubly cruel and dangerous. ~ yuval-noah-harari, @wisdomtrove

18:There are no gods, no nations, no money and no human rights, except in our collective imagination. ~ yuval-noah-harari, @wisdomtrove

19:The most common reaction of the human mind to achievement is not satisfaction, but craving for more. ~ yuval-noah-harari, @wisdomtrove

20:In order to change an existing imagined order, we must first believe in an alternative imagined order. ~ yuval-noah-harari, @wisdomtrove

21:It is an iron rule of history that what looks inevitable in hindsight was far from obvious at the time. ~ yuval-noah-harari, @wisdomtrove

22:One of the greatest fictions of all is to deny the complexity of the world and think in absolute terms: ~ yuval-noah-harari, @wisdomtrove

23:Is there anything more dangerous than dissatisfied and irresponsible gods who don’t know what they want? ~ yuval-noah-harari, @wisdomtrove

24:One of history’s few iron laws is that luxuries tend to become necessities and to spawn new obligations. ~ yuval-noah-harari, @wisdomtrove

25:To attain real happiness, humans need to slow down the pursuit of pleasant sensations, not accelerate it. ~ yuval-noah-harari, @wisdomtrove

26:Earlier traditions usually formulated their theories in terms of stories. Modern science uses mathematics. ~ yuval-noah-harari, @wisdomtrove

27:Humans think in stories rather than in facts, numbers, or equations, and the simpler the story, the better. ~ yuval-noah-harari, @wisdomtrove

28:The most interesting emerging religion is Dataism, which venerates neither gods nor man – it worships data. ~ yuval-noah-harari, @wisdomtrove

29:Yet in truth the lives of most people have meaning only within the network of stories they tell one another. ~ yuval-noah-harari, @wisdomtrove

30:Voltaire said about God that ‘there is no God, but don’t tell that to my servant, lest he murder me at night. ~ yuval-noah-harari, @wisdomtrove

31:This is the essence of the Agricultural Revolution: the ability to keep more people alive under worse conditions. ~ yuval-noah-harari, @wisdomtrove

32:Knowledge that does not change behaviour is useless. But knowledge that changes behaviour quickly loses its relevance. ~ yuval-noah-harari, @wisdomtrove

33:The better we understand history, the faster history alters its course, and the faster our knowledge becomes outdated. ~ yuval-noah-harari, @wisdomtrove

34:You could never convince a monkey to give you a banana by promising him limitless bananas after death in monkey heaven. ~ yuval-noah-harari, @wisdomtrove

35:Unlike the everlasting soul, the mind has many parts, it constantly changes, and there is no reason to think it is eternal. ~ yuval-noah-harari, @wisdomtrove

36:The greatest crimes in modern history resulted not just from hatred and greed, but even more so from ignorance and indifference. ~ yuval-noah-harari, @wisdomtrove

37:Science needs more than just research to make progress. It depends on the mutual reinforcement of science, politics and economics. ~ yuval-noah-harari, @wisdomtrove

38:History is not the study of the past but the study of change. How people human societies and political systems and economies change. ~ yuval-noah-harari, @wisdomtrove

39:Each year the US population spends more money on diets than the amount needed to feed all the hungry people in the rest of the world. ~ yuval-noah-harari, @wisdomtrove

40:If you want to make people believe in imaginary entities such as gods and nations, you should make them sacrifice something valuable. ~ yuval-noah-harari, @wisdomtrove

41:Today the main source of wealth is knowledge. And whereas you can conquer oil fields through war, you cannot acquire knowledge that way. ~ yuval-noah-harari, @wisdomtrove

42:People are usually afraid of change because they fear the unknown. But the single greatest constant of history is that everything changes. ~ yuval-noah-harari, @wisdomtrove

43:Imagined orders are not evil conspiracies or useless mirages. Rather, they are the only way large numbers of humans can cooperate effectively. ~ yuval-noah-harari, @wisdomtrove

44:Most sociopolitical hierarchies lack a logical or biological basis – they are nothing but the perpetuation of chance events supported by myths. ~ yuval-noah-harari, @wisdomtrove

45:In the future, however, we may see real gaps in physical and cognitive abilities opening between an upgraded upper class and the rest of society. ~ yuval-noah-harari, @wisdomtrove

46:History isn’t a single narrative, but thousands of alternative narratives. Whenever we choose to tell one, we are also choosing to silence others. ~ yuval-noah-harari, @wisdomtrove

47:Poverty, sickness, wars, famines old age and death itself were not the inevitable fate of humankind. They were simply the fruits of our ignorance. ~ yuval-noah-harari, @wisdomtrove

48:This is all the fault of evolution. For countless generations our adapted to increasing our chances of survival and reproduction, not our happiness. ~ yuval-noah-harari, @wisdomtrove

49:Evolution has made Homo sapiens, like other social mammals, a xenophobic creature. Sapiens instinctively divide humanity into two parts, ‘we’ and ‘they’. ~ yuval-noah-harari, @wisdomtrove

50:How do you cause people to believe in an imagined order such as Christianity, democracy or capitalism? First, you never admit that the order is imagined. ~ yuval-noah-harari, @wisdomtrove

51:If I identify happiness with fleeting pleasant sensations, and crave to experience more and more of them, I have no choice but to pursue them constantly. ~ yuval-noah-harari, @wisdomtrove

52:It is much easier to live with the fantasy, because the fantasy gives meaning to the suffering. Priests discovered this principle thousands of years ago. ~ yuval-noah-harari, @wisdomtrove

53:Capitalism won the Cold War because distributed data processing works better than centralized data processing, at least in periods of accelerating changes. ~ yuval-noah-harari, @wisdomtrove

54:We should never underestimate human stupidity. Both on the personal and on the collective level, humans are prone to engage in self-destructive activities. ~ yuval-noah-harari, @wisdomtrove

55:A meaningful life can be extremely satisfying even in the midst of hardship, whereas a meaningless life is a terrible ordeal no matter how comfortable it is. ~ yuval-noah-harari, @wisdomtrove

56:At present, more than 90 per cent of the large animals of the world (i.e. those weighing more than a few kilograms) are either humans or domesticated animals. ~ yuval-noah-harari, @wisdomtrove

57:Two thousand years of monotheistic brainwashing have caused most Westerners to see polytheism as ignorant and childish idolatry. This is an unjust stereotype. ~ yuval-noah-harari, @wisdomtrove

58:It is dangerous to trust our future to market forces, because these forces do what's good for the market rather than what's good for humankind or for the world. ~ yuval-noah-harari, @wisdomtrove

59:In the past, censorship worked by blocking the flow of information. In the twenty-first century, censorship works by flooding people with irrelevant information. ~ yuval-noah-harari, @wisdomtrove

60:The first principle of monotheist religions is ‘God exists. What does He want from me?’ The first principle of Buddhism is ‘Suffering exists. How do I escape it? ~ yuval-noah-harari, @wisdomtrove

61:You couldn’t have established a communist regime in sixteenth-century Russia, because communism necessitates the concentration of information and resources in one hub. ~ yuval-noah-harari, @wisdomtrove

62:Hierarchies serve an important function. They enable complete strangers to know how to treat one another without wasting the time and energy needed to become personally acquainted. ~ yuval-noah-harari, @wisdomtrove

63:Were the Australian extinction an isolated event, we could grant humans the benefit of the doubt. But the historical record makes Homo sapiens look like an ecological serial killer. ~ yuval-noah-harari, @wisdomtrove

64:If you want to launch a revolution, don’t ask yourself, ‘How many people support my ideas?’ Instead, ask yourself, ‘How many of my supporters are capable of effective collaboration?y ~ yuval-noah-harari, @wisdomtrove

65:There are no longer natural famines in the world; there are only political famines. If people in Syria, Sudan or Somalia starve to death, it is because some politician wants them to. ~ yuval-noah-harari, @wisdomtrove

66:And what is ‘sensitivity’? It means two things. Firstly, paying attention to my sensations, emotions and thoughts. Secondly, allowing these sensations, emotions and thoughts to influence me. ~ yuval-noah-harari, @wisdomtrove

67:Romanticism, which encourages variety, meshes perfectly with consumerism. Their marriage has given birth to the infinite ‘market of experiences’, on which the modern tourism industry is founded. ~ yuval-noah-harari, @wisdomtrove

68:Though the challenges are unprecedented, and though the disagreements are intense, humankind can rise to the occasion if we keep our fears under control and be a bit more humble about our views. ~ yuval-noah-harari, @wisdomtrove

69:happiness does not really depend on objective conditions of either wealth, health or even community. Rather, it depends on the correlation between objective conditions and subjective expectations. ~ yuval-noah-harari, @wisdomtrove

70:If Kindle is upgraded with face recognition and biometric sensors, it can know what made you laugh, what made you sad and what made you angry. Soon, books will read you while you are reading them. ~ yuval-noah-harari, @wisdomtrove

71:One of the wonderful things about science is that when scientists don’t know something, they can try out all kinds of theories and conjunctures, but in the end they can just admit their ignorance. ~ yuval-noah-harari, @wisdomtrove

72:Modern culture is the most powerful in history, and it is ceaselessly researching, inventing, discovering and growing. At the same time, it is plagued by more existential angst than any previous culture. ~ yuval-noah-harari, @wisdomtrove

73:Abraham Lincoln said you cannot deceive everybody all the time. Well, that’s wishful thinking. In practice, the power of human cooperation networks depends on a delicate balance between truth and fiction. ~ yuval-noah-harari, @wisdomtrove

74:Obesity is a double victory for consumerism. Instead of eating little, which will lead to economic contraction, people eat too much and then buy diet products - contributing to economic growth twice over. ~ yuval-noah-harari, @wisdomtrove

75:In truth, so far modern medicine hasn’t extended our natural life span by a single year. Its great achievement has been to save us from premature death, and allow us to enjoy the full measure of our years. ~ yuval-noah-harari, @wisdomtrove

76:Nobody is ever made happy by winning the lottery, buying a house, getting a promotion or even finding true love. People are made happy by one thing and one thing only – pleasant sensations in their bodies. ~ yuval-noah-harari, @wisdomtrove

77:We do not become satisfied by leading a peaceful and prosperous existence. Rather, we become satisfied when reality matches our expectations. The bad news is that as conditions improve, expectations balloon. ~ yuval-noah-harari, @wisdomtrove

78:happiness depends on expectations rather than objective conditions. We don’t become satisfied by leading a peaceful and prosperous existence. Rather, we become satisfied when reality matches our expectations. ~ yuval-noah-harari, @wisdomtrove

79:In the twenty-first century our personal data is probably the most valuable resource most humans still have to offer, and we are giving it to the tech giants in exchange for email services and funny cat videos. ~ yuval-noah-harari, @wisdomtrove

80:So if you want to know the truth about the universe, about the meaning of life, and about your own identity, the best place to start is by observing suffering and exploring what it is. The answer isn’t a story. ~ yuval-noah-harari, @wisdomtrove

81:We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness. ~ yuval-noah-harari, @wisdomtrove

82:Sapiens can cooperate in extremely flexible ways with countless numbers of strangers. That’s why Sapiens rule the world, whereas ants eat our leftovers and chimps are locked up in zoos and research laboratories. ~ yuval-noah-harari, @wisdomtrove

83:Religion cannot be equated with superstition, because most people are unlikely to call their cherished beliefs ‘superstitions’. We always believe in ‘the truth’. It’s only other people who believe in superstitions. ~ yuval-noah-harari, @wisdomtrove

84:Unfortunately, blind faith in these stories meant that human efforts frequently focused on increasing the glory of fictional entities such as gods and nations, instead of bettering the lives of real sentient beings. ~ yuval-noah-harari, @wisdomtrove

85:A good rule of thumb is ‘Biology enables, culture forbids.’ Biology is willing to tolerate a very wide spectrum of possibilities. It’s culture that obliges people to realise some possibilities while forbidding others. ~ yuval-noah-harari, @wisdomtrove

86:Morality doesn’t mean ‘following divine commands’. It means ‘reducing suffering’. Hence in order to act morally, you don’t need to believe in any myth or story. You just need to develop a deep appreciation of suffering. ~ yuval-noah-harari, @wisdomtrove

87:We study history not to know the future but to widen our horizons, to understand that our present situation is neither natural nor inevitable, and that we consequently have many more possibilities before us than we imagine. ~ yuval-noah-harari, @wisdomtrove

88:Just as when two clashing musical notes played together force a piece of music forward, so discord in our thoughts, ideas and values compel us to think, re-evaluate and criticise. Consistency is the playground of dull minds. ~ yuval-noah-harari, @wisdomtrove

89:That’s why the theory of evolution cannot accept the idea of souls, at least if by ‘soul’ we mean something indivisible, immutable and potentially eternal. Such an entity cannot possibly result from a step-by-step evolution. ~ yuval-noah-harari, @wisdomtrove

90:Meaning and authority always go hand in hand. Whoever determines the meaning of our actions – whether they are good or evil, right or wrong, beautiful or ugly – also gains the authority to tell us what to think and how to behave. ~ yuval-noah-harari, @wisdomtrove

91:You experience all of them, but you don’t control them, you don’t own them, and you are not them. People ask ‘Who am I?’ and expect to be told a story. The first thing you need to know about yourself, is that you are not a story. ~ yuval-noah-harari, @wisdomtrove

92:Climbing Mount Everest is more satisfying than standing at the top; flirting and foreplay are more exciting than having an orgasm; and conducting groundbreaking lab experiments is more interesting than receiving praise and prizes. ~ yuval-noah-harari, @wisdomtrove

93:none of these things exists outside the stories that people invent and tell one another. There are no gods in the universe, no nations, no money, no human rights, no laws and no justice outside the common imagination of human beings. ~ yuval-noah-harari, @wisdomtrove

94:The greatest scientific discovery was the discovery of ignorance. Once humans realised how little they knew about the world, they suddenly had a very good reason to seek new knowledge, which opened up the scientific road to progress. ~ yuval-noah-harari, @wisdomtrove

95:As Nietzsche put it, if you have a why to live, you can bear almost any how. A meaningful life can be extremely satisfying even in the midst of hardship, whereas a meaningless life is a terrible ordeal no matter how comfortable it is. ~ yuval-noah-harari, @wisdomtrove

96:... only Homo sapiens can speak about things that don’t really exist, and believe six impossible things before breakfast. You could never convince a monkey to give you a banana by promising him limitless bananas after death in monkey heaven. ~ yuval-noah-harari, @wisdomtrove

97:The fundamental insight of polytheism, which distinguishes it from monotheism, is that the supreme power governing the world is devoid of interests and biases, and therefore it is unconcerned with the mundane desires, cares and worries of humans. ~ yuval-noah-harari, @wisdomtrove

98:To the best of our knowledge, only Sapiens can cooperate in very flexible ways with countless numbers of strangers. This concrete capability – rather than an eternal soul or some unique kind of consciousness – explains our mastery of planet Earth. ~ yuval-noah-harari, @wisdomtrove

99:Terrorists are like a fly that tries to destroy a china shop. The fly is so weak that it cannot budge even a single teacup. So it finds a bull, gets inside its ear and starts buzzing. The bull goes wild with fear and anger, and destroys the china shop. ~ yuval-noah-harari, @wisdomtrove

100:War is obsolete You are more likely to commit suicide than be killed in conflict Famine is disappearing You are at more risk of obesity than starvation Death is just a technical problem Equality is out – but immortality is in What does our future hold? ~ yuval-noah-harari, @wisdomtrove

101:For the first time in history, more people die today from eating too much than from eating too little; more people die from old age than from infectious diseases; and more people commit suicide than are killed by soldiers, terrorists and criminals combined. ~ yuval-noah-harari, @wisdomtrove

102:We have, as human beings, a storytelling problem. We're a bit too quick to come up with explanations for things we don't really have an explanation for. Malcolm Gladwell ~ yuval-noah-harari, @wisdomtrove

103:This is the best reason to learn history: not in order to predict the future, but to free yourself of the past and imagine alternative destinies. Of course this is not total freedom – we cannot avoid being shaped by the past. But some freedom is better than none. ~ yuval-noah-harari, @wisdomtrove

104:People easily understand that ‘primitives’ cement their social order by believing in ghosts and spirits, and gathering each full moon to dance together around the campfire. What we fail to appreciate is that our modern institutions function on exactly the same basis. ~ yuval-noah-harari, @wisdomtrove

105:The tourism industry does not sell flight tickets and hotel bedrooms. It sells experiences. Paris is not a city, nor India a country – they are both experiences, the consumption of which is supposed to widen our horizons, fulfil our human potential, and make us happier. ~ yuval-noah-harari, @wisdomtrove

106:Science is converging on an all-encompassing dogma, which says that organisms are algorithms, and life is data processing. 2. Intelligence is decoupling from consciousness. 3. Non-conscious but highly intelligent algorithms may soon know us better than we know ourselves. ~ yuval-noah-harari, @wisdomtrove

107:f a species boasts many DNA copies, it is a success, and the species flourishes. From such a perspective, 1,000 copies are always better than a hundred copies. This is the essence of the Agricultural Revolution: the ability to keep more people alive under worse conditions. ~ yuval-noah-harari, @wisdomtrove

108:Whales can hear one another from hundreds of kilometres away, and each whale has a repertoire of characteristic ‘songs’ that may last for hours and follow very intricate patterns. Every now and then a whale composes a new hit, which other whales throughout the ocean adopt. ~ yuval-noah-harari, @wisdomtrove

109:In the past, censorship worked by blocking the flow of information. In the twenty-first century, censorship works by flooding people with irrelevant information. [... ] In ancient times having power meant having access to data. Today having power means knowing what to ignore. ~ yuval-noah-harari, @wisdomtrove

110:Sapiens rule the world because only they can weave an intersubjective web of meaning: a web of laws, forces, entities and places that exist purely in their common imagination. This web allows humans alone to organise crusades, socialist revolutions and human rights movements. ~ yuval-noah-harari, @wisdomtrove

111:Large numbers of strangers can cooperate successfully by believing in common myths. Any large-scale human cooperation – whether a modern state, a medieval church, an ancient city or an archaic tribe – is rooted in common myths that exist only in people’s collective imagination. ~ yuval-noah-harari, @wisdomtrove

112:Domesticated chickens and cattle may well be an evolutionary success story, but they are also among the most miserable creatures that ever lived. The domestication of animals was founded on a series of brutal practices that only became crueller with the passing of the centuries. , ~ yuval-noah-harari, @wisdomtrove

113:In 2012 about 56 million people died throughout the world; 620,000 of them died due to human violence (war killed 120,000 people, and crime killed another 500,000). In contrast, 800,000 committed suicide, and 1.5 million died of diabetes.23 Sugar is now more dangerous than gunpowder. ~ yuval-noah-harari, @wisdomtrove

114:AI is nowhere near human-like existence. But 99 per cent of human qualities and abilities are simply redundant for the performance of most modern jobs. For AI to squeeze humans out of the job market it needs only outperform us in the specific abilities a particular profession demands. ~ yuval-noah-harari, @wisdomtrove

115:Yet once biologists concluded that organisms are algorithms, they dismantled the wall between the organic and the inorganic, turned the computer revolution from a purely mechanical affair into a biological cataclysm, and shifted authority from individual humans to networked algorithms. ~ yuval-noah-harari, @wisdomtrove

116:So here is that line from the American Declaration of Independence translated into biological terms: We hold these truths to be self-evident, that all men evolved differently, that they are born with certain mutable characteristics, and that among these are life and the pursuit of pleasure. ~ yuval-noah-harari, @wisdomtrove

117:Nothing captures the biological argument better than the famous New Age slogan: ‘Happiness begins within.’ Money, social status, plastic surgery, beautiful houses, powerful positions – none of these will bring you happiness. Lasting happiness comes only from serotonin, dopamine and oxytocin. ~ yuval-noah-harari, @wisdomtrove

118:For more than 2 million years, human neural networks kept growing and growing, but apart from some flint knives and pointed sticks, humans had precious little to show for it. What then drove forward the evolution of the massive human brain during those 2 million years? Frankly, we don’t know. ~ yuval-noah-harari, @wisdomtrove

119:You want to know how super-intelligent cyborgs might treat ordinary flesh-and-blood humans? Better start by investigating how humans treat their less intelligent animal cousins. It’s not a perfect analogy, of course, but it is the best archetype we can actually observe rather than just imagine. ~ yuval-noah-harari, @wisdomtrove

120:religion is created by humans rather than by gods, and it is defined by its social function rather than by the existence of deities. Religion is anything that confers superhuman legitimacy on human social structures. It legitimises human norms and values by arguing that they reflect superhuman laws. ~ yuval-noah-harari, @wisdomtrove

121:Culture tends to argue that it forbids only that which is unnatural. But from a biological perspective, nothing is unnatural. Whatever is possible is by definition also natural. A truly unnatural behaviour, one that goes against the laws of nature, simply cannot exist, so it would need no prohibition. ~ yuval-noah-harari, @wisdomtrove

122:However, the Scientific Revolution freed humankind from this conviction. The greatest scientific discovery was the discovery of ignorance. Once humans realised how little they knew about the world, they suddenly had a very good reason to seek new knowledge, which opened up the scientific road to progress. ~ yuval-noah-harari, @wisdomtrove

123:Just as people were never created, neither, according to the science of biology, is there a ‘Creator’ who ‘endows’ them with anything. There is only a blind evolutionary process, devoid of any purpose, leading to the birth of individuals. ‘Endowed by their creator’ should be translated simply into ‘born’. ~ yuval-noah-harari, @wisdomtrove

124:This is the paradox of historical knowledge. Knowledge that does not change behaviour is useless. But knowledge that changes behaviour quickly loses its relevance. The more data we have and the better we understand history, the faster history alters its course, and the faster our knowledge becomes outdated. ~ yuval-noah-harari, @wisdomtrove

125:So, monotheism explains order, but is mystified by evil. Dualism explains evil, but is puzzled by order. There is one logical way of solving the riddle: to argue that there is a single omnipotent God who created the entire universe – and He’s evil. But nobody in history has had the stomach for such a belief. ~ yuval-noah-harari, @wisdomtrove

126:At present, people are happy to give away their most valuable asset—their personal data—in exchange for free email services and funny cat videos. It’s a bit like African and Native American tribes who unwittingly sold entire countries to European imperialists in exchange for colorful beads and cheap trinkets. ~ yuval-noah-harari, @wisdomtrove

127:The bats live in a world of echoes. Just as in the human world every object has a characteristic shape and colour, so in the bat world every object has its echo-pattern. A bat can tell the difference between a tasty moth species and a poisonous moth species by the different echoes returning from their slender wings. ~ yuval-noah-harari, @wisdomtrove

128:The currency of evolution is neither hunger nor pain, but rather copies of DNA helixes. Just as the economic success of a company is measured only by the number of dollars in its bank account, not by the happiness of its employees, so the evolutionary success of a species is measured by the number of copies of its DNA. ~ yuval-noah-harari, @wisdomtrove

129:The second cognitive revolution, dreamed up by techno-humanists, might do the same to us, producing human cogs who communicate and process data far more effectively than ever before, but who can hardly pay attention, dream or doubt. For millions of years we were enhanced chimpanzees. In the future, we may become oversized ants. ~ yuval-noah-harari, @wisdomtrove

130:So why study history? Unlike physics or economics, history is not a means for making accurate predictions. We study history not to know the future but to widen our horizons, to understand that our present situation is neither natural nor inevitable, and that we consequently have many more possibilities before us than we imagine. ~ yuval-noah-harari, @wisdomtrove

131:Capitalism did not defeat communism because capitalism was more ethical, because individual liberties are sacred or because God was angry with the heathen communists. Rather, capitalism won the Cold War because distributed data processing works better than centralised data processing, at least in periods of accelerating technological change. ~ yuval-noah-harari, @wisdomtrove

132:In the heyday of European imperialism, conquistadors and merchants bought entire islands and countries in exchange for coloured beads. In the twenty-first century our personal data is probably the most valuable resource most humans still have to offer, and we are giving it to the tech giants in exchange for email services and funny cat videos. ~ yuval-noah-harari, @wisdomtrove

133:Intelligence is the ability to solve problems. Consciousness is the ability to feel things such as pain, joy, love, and anger. We tend to confuse the two because in humans and other mammals intelligence goes hand in hand with consciousness. Mammals solve most problems by feeling things. Computers, however, solve problems in a very different way. ~ yuval-noah-harari, @wisdomtrove

134:Survival in that era required superb mental abilities from everyone. When agriculture and industry came along people could increasingly rely on the skills of others for survival, and new ‘niches for imbeciles’ were opened up. You could survive and pass your unremarkable genes to the next generation by working as a water carrier or an assembly-line worker. ~ yuval-noah-harari, @wisdomtrove

135:Traditionally, life has been divided into two main parts: a period of learning followed by a period of working. Very soon this traditional model will become utterly obsolete, and the only way for humans to stay in the game will be to keep learning throughout their lives, and to reinvent themselves repeatedly. Many if not most humans may be unable to do so. ~ yuval-noah-harari, @wisdomtrove

136:It is liberal politics that believes the voter knows best. Liberal art holds that beauty is in the eye of the beholder. Liberal economics maintains that the customer is always right. Liberal ethics advises us that if it feels good, we should go ahead and do it. Liberal education teaches us to think for ourselves, because we will find all the answers within us. ~ yuval-noah-harari, @wisdomtrove

137:And what about ‘happiness’? So far biological research has failed to come up with a clear definition of happiness or a way to measure it objectively. Most biological studies acknowledge only the existence of pleasure, which is more easily defined and measured. So ‘life, liberty, and the pursuit of happiness’ should be translated into ‘life and the pursuit of pleasure’. ~ yuval-noah-harari, @wisdomtrove

138:Homo sapiens is just not built for satisfaction. Human happiness depends less on objective condition and more on our own expectations. Expectations, however, tend to adapt to conditions, including to the condition of other people. When things improve, expectations balloon, and consequently even dramatic improvement in conditions might leave us as dissatisfied as before. ~ yuval-noah-harari, @wisdomtrove

139:The romantic contrast between modern industry that destroys nature and our ancestors who lived in harmony with nature is groundless. Long before the Industrial Revolution, Homo sapiens held the record among all organisms for driving the most plant and animal species to their extinctions. We have the dubious distinction of being the deadliest species in the annals of life. ~ yuval-noah-harari, @wisdomtrove

140:Voltaire said about God that ‘there is no God, but don’t tell that to my servant, lest he murder me at night’. Hammurabi would have said the same about his principle of hierarchy, and Thomas Jefferson about human rights. Homo sapiens has no natural rights, just as spiders, hyenas and chimpanzees have no natural rights. But don’t tell that to our servants, lest they murder us at night. ~ yuval-noah-harari, @wisdomtrove

141:Individual humans know embarrassingly little about the world, and as history has progressed, they have come to know less and less. A hunter-gatherer in the Stone Age knew how to make her own clothes, how to start a fire, how to hunt rabbits, and how to escape lions. We think we know far more today, but as individuals, we actually know far less. We rely on the expertise of others for almost all our needs. ~ yuval-noah-harari, @wisdomtrove

142:Yet Smith’s claim that the selfish human urge to increase private profits is the basis for collective wealth is one of the most revolutionary ideas in human history – revolutionary not just from an economic perspective, but even more so from a moral and political perspective. What Smith says is, in fact, that greed is good, and that by becoming richer I benefit everybody, not just myself. Egoism is altruism. ~ yuval-noah-harari, @wisdomtrove

143:For the first time in history, more people die today from eating too much than from eating too little; more people die from old age than from infectious diseases; and more people commit suicide than are killed by soldiers, terrorists and criminals combined. In the early twenty-first century, the average human is far more likely to die from bingeing at McDonald’s than from drought, Ebola or an al-Qaeda attack. ~ yuval-noah-harari, @wisdomtrove

144:And what are the characteristics that evolved in humans? ‘Life’, certainly. But ‘liberty’? There is no such thing in biology. Just like equality, rights and limited liability companies, liberty is something that people invented and that exists only in their imagination. From a biological viewpoint, it is meaningless to say that humans in democratic societies are free, whereas humans in dictatorships are unfree. ~ yuval-noah-harari, @wisdomtrove

145:The insight of polytheism is conducive to far-reaching religious tolerance. Since polytheists believe, on the one hand, in one supreme and completely disinterested power, and on the other hand in many partial and biased powers, there is no difficulty for the devotees of one god to accept the existence and efficacy of other gods. Polytheism is inherently open-minded, and rarely persecutes ‘heretics’ and ‘infidels’. ~ yuval-noah-harari, @wisdomtrove

146:Consumerism tells us that in order to be happy we must consume as many products and services as possible. If we feel that something is missing or not quite right, then we probably need to buy a product (a car, new clothes, organic food) or a service (housekeeping, relationship therapy, yoga classes). Every television commercial is another little legend about how consuming some product or service will make life better. ~ yuval-noah-harari, @wisdomtrove

147:We identify with the inner system that takes the crazy chaos of life and spins out of it seemingly logical and consistent yarns. It doesn’t matter that the plot is full of lies and lacunas, and is rewritten again and again, so that today’s story flatly contradicts yesterday’s. The important thing is that we always retain the feeling that we have a single unchanging identity from birth to death (and perhaps even beyond). ~ yuval-noah-harari, @wisdomtrove

148:Precisely because technology is now moving so fast, and parliaments and dictators alike are overwhelmed by data they cannot process quickly enough, present-day politicians are thinking on a far smaller scale than their predecessors a century ago. Consequently, in the early twenty-first century politics is bereft of grand visions. Government has become mere administration. It manages the country, but it no longer leads it. ~ yuval-noah-harari, @wisdomtrove

149:Tolerance is not a Sapiens trademark. In modern times, a small difference in skin colour, dialect or religion has been enough to prompt one group of Sapiens to set about exterminating another group. Would ancient Sapiens have been more tolerant towards an entirely different human species? It may well be that when Sapiens encountered Neanderthals, the result was the first and most significant ethnic-cleansing campaign in history. ~ yuval-noah-harari, @wisdomtrove

150:Ever since the Cognitive Revolution, Sapiens have thus been living in a dual reality. On the one hand, the objective reality of rivers, trees and lions; and on the other hand, the imagined reality of gods, nations and corporations. As time went by, the imagined reality became ever more powerful, so that today the very survival of rivers, trees and lions depends on the grace of imagined entities such as the United States and Google. ~ yuval-noah-harari, @wisdomtrove

151:If cooperation is the key, how come the ants and bees did not beat us to the nuclear bomb even though they learned to cooperate en masse millions of years before us? Because their cooperation lacks flexibility. Bees cooperate in very sophisticated ways, but they cannot reinvent their social system overnight. If a hive faces a new threat or a new opportunity, the bees cannot, for example, guillotine the queen and establish a republic. ~ yuval-noah-harari, @wisdomtrove

152:When Epicurus defined happiness as the supreme good, he warned his disciples that it is hard work to be happy. Material achievements alone will not satisfy us for long. Indeed, the blind pursuit of money, fame and pleasure will only make us miserable. Epicurus recommended, for example, to eat and drink in moderation, and to curb one’s sexual appetites. In the long run, a deep friendship will make us more content than a frenzied orgy. ~ yuval-noah-harari, @wisdomtrove

153:This is no kindergarten fairy tale, but an extremely powerful myth that continues to shape the lives of billions of humans and animals in the early twenty-first century. The belief that humans have eternal souls whereas animals are just evanescent bodies is a central pillar of our legal, political and economic system. It explains why, for example, it is perfectly okay for humans to kill animals for food, or even just for the fun of it. ~ yuval-noah-harari, @wisdomtrove

154:There is some evidence that the size of the average Sapiens brain has actually decreased since the age of foraging. Survival in that era required superb mental abilities from everyone. When agriculture and industry came along people could increasingly rely on the skills of others for survival, and new ‘niches for imbeciles’ were opened up. You could survive and pass your unremarkable genes to the next generation by working as a water carrier or an assembly-line worker. ~ yuval-noah-harari, @wisdomtrove

155:Equally, there are no such things as rights in biology. There are only organs, abilities and characteristics. Birds fly not because they have a right to fly, but because they have wings. And it’s not true that these organs, abilities and characteristics are ‘unalienable’. Many of them undergo constant mutations, and may well be completely lost over time. The ostrich is a bird that lost its ability to fly. So ‘unalienable rights’ should be translated into ‘mutable characteristics’. ~ yuval-noah-harari, @wisdomtrove

156:Humans nowadays completely dominate the planet not because the individual human is far smarter and more nimble-fingered than the individual chimp or wolf, but because Homo sapiens is the only species on earth capable of cooperating flexibly in large numbers. Intelligence and toolmaking were obviously very important as well. But if humans had not learned to cooperate flexibly in large numbers, our crafty brains and deft hands would still be splitting flint stones rather than uranium atoms. ~ yuval-noah-harari, @wisdomtrove

157:Just as Stalin’s gulags do not automatically nullify every socialist idea and argument, so too the horrors of Nazism should not blind us to whatever insights evolutionary humanism might offer. Nazism was born from the pairing of evolutionary humanism with particular racial theories and ultra-nationalist emotions. Not all evolutionary humanists are racists, and not every belief in humankind’s potential for further evolution necessarily calls for setting up police states and concentration camps. ~ yuval-noah-harari, @wisdomtrove

158:How did Homo sapiens manage to cross this critical threshold, eventually founding cities comprising tens of thousands of inhabitants and empires ruling hundreds of millions? The secret was probably the appearance of fiction. Large numbers of strangers can cooperate successfully by believing in common myths. Any large-scale human cooperation – whether a modern state, a medieval church, an ancient city or an archaic tribe – is rooted in common myths that exist only in people’s collective imagination. ~ yuval-noah-harari, @wisdomtrove

159:As far as we can tell from a purely scientific viewpoint, human life has absolutely no meaning. Humans are the outcome of blind evolutionary processes that operate without goal or purpose. Our actions are not part of some divine cosmic plan, and if planet earth were to blow up tomorrow morning, the universe would probably keep going about its business as usual. As far as we can tell at this point, human subjectivity would not be missed. Hence any meaning that people inscribe to their lives is just a delusion. ~ yuval-noah-harari, @wisdomtrove

160:In essence, terrorism is a show. Terrorists stage a terrifying spectacle of violence that captures our imagination and makes us feel as if we are sliding back into medieval chaos. Consequently states often feel obliged to react to the theatre of terrorism with a show of security, orchestrating immense displays of force, such as the persecution of entire populations or the invasion of foreign countries. In most cases, this overreaction to terrorism poses a far greater threat to our security than the terrorists themselves. ~ yuval-noah-harari, @wisdomtrove

161:Not only rationality, but individuality too is a myth. Humans rarely think for themselves. Rather, we think in groups. Just as it takes a tribe to raise a child, it also takes a tribe to invent a tool, solve a conflict, or cure a disease. No individual knows everything it takes to build a cathedral, an atom bomb, or an aircraft. What gave Homo sapiens an edge over all other animals and turned us into the masters of the planet was not our individual rationality but our unparalleled ability to think together in large groups. ~ yuval-noah-harari, @wisdomtrove

162:If you were an eighteen-year-old youth in a small village 5,000 years ago you’d probably think you were good-looking because there were only fifty other men in your village and most of them were either old, scarred and wrinkled, or still little kids. But if you are a teenager today you are a lot more likely to feel inadequate. Even if the other guys at school are an ugly lot, you don’t measure yourself against them but against the movie stars, athletes and supermodels you see all day on television, Facebook and giant billboards. ~ yuval-noah-harari, @wisdomtrove

163:The liberal story instructs me to seek freedom to express and realise myself. But both the ‘self’ and freedom are mythological chimeras borrowed from the fairy tales of ancient times. Liberalism has a particularly confused notion of ‘free will’. Humans obviously have a will, they have desires, and they are sometimes free to fulfil their desires. If by ‘free will’ you mean the freedom to do what you desire – then yes, humans have free will. But if by ‘free will’ you mean the freedom to choose what to desire – then no, humans have no free will. ~ yuval-noah-harari, @wisdomtrove

164:The St Bartholomew’s Day Massacre, between 5,000 and 10,000 Protestants were slaughtered in less than twenty-four hours. When the pope in Rome heard the news from France, he was so overcome by joy that he organised festive prayers to celebrate the occasion and commissioned Giorgio Vasari to decorate one of the Vatican’s rooms with a fresco of the massacre (the room is currently off-limits to visitors). More Christians were killed by fellow Christians in those twenty-four hours than by the polytheistic Roman Empire throughout its entire existence. ~ yuval-noah-harari, @wisdomtrove

165:In fact, monotheism, as it has played out in history, is a kaleidoscope of monotheist, dualist, polytheist and animist legacies, jumbling together under a single divine umbrella. The average Christian believes in the monotheist God, but also in the dualist Devil, in polytheist saints, and in animist ghosts. Scholars of religion have a name for this simultaneous avowal of different and even contradictory ideas and the combination of rituals and practices taken from different sources. It’s called syncretism. Syncretism might, in fact, be the single great world religion. ~ yuval-noah-harari, @wisdomtrove

166:People feel bound by democratic elections only when they share a basic bond with most other voters. If the experience of other voters is alien to me, and if I believe they don’t understand my feelings and don’t care about my vital interests, then even if I am outvoted by a hundred to one, I have absolutely no reason to accept the verdict. Democratic elections usually work only within populations that have some prior common bond, such as shared religious beliefs and national myths. They are a method to settle disagreements between people who already agree on the basics. ~ yuval-noah-harari, @wisdomtrove

167:As of 2016, humankind indeed manages to hold the stick at both ends. Not only do we possess far more power than ever before, but against all expectations, God’s death did not lead to social collapse. Throughout history prophets and philosophers have argued that if humans stopped believing in a great cosmic plan, all law and order would vanish. Yet today, those who pose the greatest threat to global law and order are precisely those people who continue to believe in God and His all-encompassing plans. God-fearing Syria is a far more violent place than the atheist Netherlands. ~ yuval-noah-harari, @wisdomtrove

168:Hence if you really want to understand yourself, you should not identify with your Facebook account or with the inner story of the self. Instead, you should observe the actual flow of body and mind. You will see thoughts, emotions and desires appear and disappear without much reason and without any command from you, just as different winds blow from this or that direction and mess up your hair. And just as you are not the winds, so also you are not the jumble of thoughts, emotions and desires you experience, and you are certainly not the sanitised story you tell about them with hindsight. ~ yuval-noah-harari, @wisdomtrove

169:How do you cause people to believe in an imagined order such as Christianity, democracy or capitalism? First, you never admit that the order is imagined. You always insist that the order sustaining society is an objective reality created by the great gods or by the laws of nature. People are unequal, not because Hammurabi said so, but because Enlil and Marduk decreed it. People are equal, not because Thomas Jefferson said so, but because God created them that way. Free markets are the best economic system, not because Adam Smith said so, but because these are the immutable laws of nature. ~ yuval-noah-harari, @wisdomtrove

170:The Google and Facebook algorithms not only know exactly how you feel, they also know myriad other things about you that you hardly suspect. Consequently you should stop listening to your feelings and start listening to these external algorithms instead. What’s the point of having democratic elections when the algorithms know not only how each person is going to vote, but also the underlying neurological reasons why one person votes Democrat while another votes Republican? Whereas humanism commanded: ‘Listen to your feelings!’ Dataism now commands: ‘Listen to the algorithms! They know how you feel. ~ yuval-noah-harari, @wisdomtrove

171:The third threat to liberalism is that some people will remain both indispensable and undecipherable, but they will constitute a small and privileged elite of upgraded humans. These superhumans will enjoy unheard-of abilities and unprecedented creativity, which will allow them to go on making many of the most important decisions in the world. They will perform crucial services for the system, while the system could not understand and manage them. However, most humans will not be upgraded, and they will consequently become an inferior caste, dominated by both computer algorithms and the new superhumans. ~ yuval-noah-harari, @wisdomtrove

172:Scientists, for their part, need to be far more engaged with current public debates. They should not be afraid of making their voice heard when the debate wanders into their field of expertise, be it medicine or history. Silence isn’t neuatrality; it is supporting the status quo. Of course, it is extremely important to go on doing academic research and to publish the results in scientific journals that only a few experts read. But it is equally important to communicate the latest scientific theories to the general public through popular-science books, and even through the skilful use of art and fiction. ~ yuval-noah-harari, @wisdomtrove

173:It is relatively easy to accept that money is an intersubjective reality. Most people are also happy to acknowledge that ancient Greek gods, evil empires and the values of alien cultures exist only in the imagination. Yet we don't want to accept that our God, our nation or our values are mere fictions, because these are the things that give meaning to our lives. We want to believe that our lives have some objective meaning, and that our sacrifices matter to something beyond the stories in our head. Yet in truth the lives of most people have meaning only within the network of stories they tell one another. ~ yuval-noah-harari, @wisdomtrove

174:In fact, ecological turmoil might endanger the survival of Homo sapiens itself. Global warming, rising oceans and widespread pollution could make the earth less hospitable to our kind, and the future might consequently see a spiralling race between human power and human-induced natural disasters. As humans use their power to counter the forces of nature and subjugate the ecosystem to their needs and whims, they might cause more and more unanticipated and dangerous side effects. These are likely to be controllable only by even more drastic manipulations of the ecosystem, which would result in even worse chaos. ~ yuval-noah-harari, @wisdomtrove

175:One of history’s fews iron laws is that luxuries tend to become necessities and to spawn new obligations. Once people get used to a certain luxury, they take it for granted. Then they begin to count on it. Finally they reach a point where they can’t live without it. Over the few decades, we have invented countless time saving machines that are supposed to make like more relaxed - washing machines, vacuum cleaners, dishwashers, telephones, mobile phones, computers, email. We thought we were saving time; instead we revved up the treadmill of life to ten times its former speed and made our days more anxious and agitated. ~ yuval-noah-harari, @wisdomtrove

176:So far we have looked at two of the three practical threats to liberalism: firstly, that humans will lose their value completely; secondly, that humans will still be valuable collectively, but they will lose their individual authority, and will instead be managed by external algorithms. The system will still need you to compose symphonies, teach history or write computer code, but the system will know you better than you know yourself, and will therefore make most of the important decisions for you – and you will be perfectly happy with that. It won’t necessarily be a bad world; it will, however, be a post-liberal world. ~ yuval-noah-harari, @wisdomtrove

177:In the 300 years of the crucifixion of Christ to the conversion of Emperor Constantine, polytheistic Roman emperors initiated no more than four general persecutions of Christians. Local administrators and governors incited some anti-Christian violence of their own. Still, if we combine all the victims of all these persecutions, it turns out that in these three centuries the polytheistic Romans killed no more than a few thousand Christians. In contrast, over the course, of the next 1,500 years, Christians slaughtered Christians by the millions, to defend slightly different interpretations of the religion of love and compassion. ~ yuval-noah-harari, @wisdomtrove

178:In the age of Facebook and Instagram you can observe this myth-making process more clearly than ever before, because some of it has been outsourced from the mind to the computer. It is fascinating and terrifying to behold people who spend countless hours constructing and embellishing a perfect self online, becoming attached to their own creation, and mistaking it for the truth about themselves. That’s how a family holiday fraught with traffic jams, petty squabbles and tense silences becomes a collection of beautiful panoramas, perfect dinners and smiling faces; 99 per cent of what we experience never becomes part of the story of the self. ~ yuval-noah-harari, @wisdomtrove

179:The glass ceiling of happiness is held in place by two stout pillars, one psychological, the other biological. On the psychological level, happiness depends on expectations rather than objective conditions. We don’t become satisfied by leading a peaceful and prosperous existence. Rather, we become satisfied when reality matches our expectations. The bad news is that as conditions improve, expectations balloon. Dramatic improvements in conditions, as humankind has experienced in recent decades, translate into greater expectations rather than greater contentment. If we don’t do something about this, our future achievements too might leave us as dissatisfied as ever. ~ yuval-noah-harari, @wisdomtrove

180:Immediately after birth the calf is separated from its mother and locked inside a tiny cage not much bigger than the calf’s own body. There the calf spends its entire life – about four months on average. It never leaves its cage, nor is it allowed to play with other calves or even walk – all so that its muscles will not grow strong. Soft muscles mean a soft and juicy steak. The first time the calf has a chance to walk, stretch its muscles and touch other calves is on its way to the slaughterhouse. In evolutionary terms, cattle represent one of the most successful animal species ever to exist. At the same time, they are some of the most miserable animals on the planet. ― ~ yuval-noah-harari, @wisdomtrove

181:Rather than heralding a new era of easy living, the Agricultural Revolution left farmers with lives generally more difficult and less satisfying than those of foragers. Hunter-gatherers spent their time in more stimulating and varied ways, and were less in danger of starvation and disease. The Agricultural Revolution certainly enlarged the sum total of food at the disposal of humankind, but the extra food did not translate into a better diet or more leisure. Rather, it translated into population explosions and pampered elites. The average farmer worked harder than the average forager, and got a worse diet in return. The Agricultural Revolution was history’s biggest fraud. ~ yuval-noah-harari, @wisdomtrove

182:Over the past 10,000 years, Homo sapiens has grown so accustomed to being the only human species that it’s hard for us to conceive of any other possibility. Our lack of brothers and sisters makes it easier to imagine that we are the epitome of creation, and that a chasm separates us from the rest of the animal kingdom. When Charles Darwin indicated that Homo sapiens was just another kind of animal, people were outraged. Even today many refuse to believe it. Had the Neanderthals survived, would we still imagine ourselves to be a creature apart? Perhaps this is exactly why our ancestors wiped out the Neanderthals. They were too familiar to ignore, but too different to tolerate. ~ yuval-noah-harari, @wisdomtrove

183:Instead of studying old traditions, emphasis is now placed on new observations and experiments. When present observation collides with past tradition, we give precedence to the observation. Of course, physicists analysing the spectra of distant galaxies, archaeologists analysing the finds from a Bronze Age city, and political scientists studying the emergence of capitalism do not disregard tradition. They start by studying what the wise people of the past have said and written. But from their first year in college, aspiring physicists, archaeologists and political scientists are taught that it is their mission to go beyond what Einstein, Heinrich Schliemann and Max Weber ever knew. ~ yuval-noah-harari, @wisdomtrove

184:Gautama's insight was that no matter what the mind experiences, it usually reacts with craving, and craving always involves dissatisfaction. When the mind experiences something distasteful it craves to be rid of the irritation. When the mind experiences something pleasant, it craves that the pleasure will remain and will intensify. Therefore, the mind is always dissatisfied and restless. This is very clear when we experience unpleasant things, such as pain. As long as the pain continues, we are dissatisfied and do all we can to avoid it. Yet even when we experience pleasant things we are never content. We either fear that the pleasure might disappear, or we hope that it will intensify. ~ yuval-noah-harari, @wisdomtrove

185:Meaning is created when many people weave together a common network of stories. Why does a particular action – such as getting married in church, fasting on Ramadan or voting on election day – seem meaningful to me? Because my parents also think it is meaningful, as do my brothers, my neighbours, people in nearby cities and even the residents of far-off countries. And why do all these people think it is meaningful? Because their friends and neighbours also share the same view. People constantly reinforce each other’s beliefs in a self-perpetuating loop. Each round of mutual confirmation tightens the web of meaning further, until you have little choice but to believe what everyone else believes. ~ yuval-noah-harari, @wisdomtrove

186:The Theory of Relativity makes nobody angry because it doesn't contradict any of our cherished beliefs. Most people don't care an iota whether space and time are absolute or relative. If you think it is possible to bend space and time, well be my guest. ... In contrast, Darwin has deprived us of our souls. If you really understand the Theory of Evolution, you understand that there is no soul. This is a terrifying thought, not only to devote Christians and Muslims, but also to many secular people who don't hold any clear religious dogma, but nevertheless, want to believe that each human possess an eternal, individual essence that remains unchanged throughout life and can survive even death intact. ~ yuval-noah-harari, @wisdomtrove

187:It is particularly noteworthy that our fantasy self tends to be very visual, whereas our actual experiences are corporeal. In the fantasy, you observe a scene in your mind’s eye or on the computer screen. You see yourself standing on a tropical beach, the blue sea behind you, a big smile on your face, one hand holding a cocktail, the other arm around your lover’s waist. Paradise. What the picture does not show is the annoying fly that bites your leg, the cramped feeling in your stomach from eating that rotten fish soup, the tension in your jaw as you fake a big smile, and the ugly fight the happy couple had five minutes ago. If we could only feel what the people in the photos felt while taking them! ~ yuval-noah-harari, @wisdomtrove

188:Secularism should not be equated with Stalinist dogmatism or with the bitter fruits of Western imperialism and runaway industrialisation. Yet it cannot shirk all responsibility for them, either. Secular movements and scientific institutions have mesmerised billions with promises to perfect humanity and to utilise the bounty of planet Earth for the benefit of our species. Such promises resulted not just in overcoming plagues and famines, but also in gulags and melting ice caps. You might well argue that this is all the fault of people misunderstanding and distorting the core secular ideals and the true facts of science. And you are absolutely right. But that is a common problem for all influential movements. ~ yuval-noah-harari, @wisdomtrove

189:Hunter-gatherers spent their time in more stimulating and varied ways, and were less in danger of starvation and disease. The Agricultural Revolution certainly enlarged the sum total of food at the disposal of humankind, but the extra food did not translate into a better diet or more leisure. Rather, it translated into population explosions and pampered elites. The average farmer worked harder than the average forager, and got a worse diet in return. The Agricultural Revolution was history’s biggest fraud.2 Who was responsible? Neither kings, nor priests, nor merchants. The culprits were a handful of plant species, including wheat, rice and potatoes. These plants domesticated Homo sapiens, rather than vice versa. ~ yuval-noah-harari, @wisdomtrove

190:If happiness is determined by expectations, then two pillars of our society – mass media and the advertising industry – may unwittingly be depleting the globe’s reservoirs of contentment. If you were an eighteen-year-old youth in a small village 5,000 years ago you’d probably think you were good-looking because there were only fifty other men in your village and most of them were either old, scarred and wrinkled, or still little kids. But if you are a teenager today you are a lot more likely to feel inadequate. Even if the other guys at school are an ugly lot, you don’t measure yourself against them but against the movie stars, athletes and supermodels you see all day on television, Facebook and giant billboards. ~ yuval-noah-harari, @wisdomtrove

191:When a thousand people believe some made-up story for one month, that’s fake news. When a billion people believe it for a thousand years, that’s a religion, and we are admonished not to call it fake news in order not to hurt the feelings of the faithful (or incur their wrath). Note, however, that I am not denying the effectiveness or potential benevolence of religion. Just the opposite. For better or worse, fiction is among the most effective tools in humanity’s tool kit. By bringing people together, religious creeds make large-scale human cooperation possible. They inspire people to build hospitals, schools, and bridges in addition to armies and prisons. Adam and Eve never existed, but Chartres Cathedral is still beautiful. ~ yuval-noah-harari, @wisdomtrove

192:Fiction isn't bad. It is vital. Without commonly accepted stories about things like money, states or corporations, no complex human society can function. We can't play football unless everyone believes in the same made-up rules, and we can't enjoy the benefits of markets and courts without similar make-believe stories. But stories are just tools. They shouldn't become our goals or our yardsticks. When we forget that they are mere fiction, we lose touch with reality. Then we begin entire wars `to make a lot of money for the corporation' or &

193:The most famous lenders in nature are vampire bats. These bats congregate in the thousands inside caves, and every night fly out to look for prey. When they find a sleeping bird or careless mammal, they make a small incision in its skin, and suck its blood. But not all vampire bats find a victim every night. In order to cope with the uncertainty of their life, the vampires loan blood to each other. A vampire that fails to find prey will come home and ask a more fortunate friend to regurgitate some stolen blood. Vampires remember very well to whom they loaned blood, so at a later date if the friend returns home hungry, he will approach his debtor, who will reciprocate the favour. However, unlike human bankers, vampires never charge interest. ~ yuval-noah-harari, @wisdomtrove

194:By equating the human experience with data patterns, Dataism undermines our main source of authority and meaning, and heralds a tremendous religious revolution, the like of which has not been seen since the eighteenth century. In the days of Locke, Hume and Voltaire humanists argued that ‘God is a product of the human imagination’. Dataism now gives humanists a taste of their own medicine, and tells them: ‘Yes, God is a product of the human imagination, but human imagination in turn is the product of biochemical algorithms.’ In the eighteenth century, humanism sidelined God by shifting from a deo-centric to a homo-centric world view. In the twenty-first century, Dataism may sideline humans by shifting from a homo-centric to a data-centric view. ~ yuval-noah-harari, @wisdomtrove

195:The antidote to a meaningless and lawless existence was provided by humanism, a revolutionary new creed that conquered the world during the last few centuries. The humanist religion worships humanity, and expects humanity to play the part that God played in Christianity and Islam, and that the laws of nature played in Buddhism and Daoism. Whereas traditionally the great cosmic plan gave meaning to the life of humans, humanism reverses the roles and expects the experiences of humans to give meaning to the cosmos. According to humanism, humans must draw from within their inner experiences not only the meaning of their own lives, but also the meaning of the entire universe. This is the primary commandment humanism has given us: create meaning for a meaningless world. ~ yuval-noah-harari, @wisdomtrove

196:People today spend a great deal of money on holidays abroad because they are true believers in the myths of romantic consumerism. Romanticism tells us that in order to make the most of our human potential we must have as many different experiences as we can. We must open ourselves to a wide spectrum of emotions; we must sample various kinds of relationships; we must try different cuisines; we must learn to appreciate different styles of music. One of the best ways to do all that is to break free from our daily routine, leave behind our familiar setting, and go travelling in distant lands, where we can ‘experience’ the culture, the smells, the tastes and the norms of other people. We hear again and again the romantic myths about ‘how a new experience opened my eyes and changed my life’. ~ yuval-noah-harari, @wisdomtrove

197:While people in today’s affluent societies work an average of forty to forty-five hours a week, and people in the developing world work sixty and even eighty hours a week, hunter-gatherers living today in the most inhospitable of habitats – such as the Kalahari Desert – work on average for just thirty-five to forty-five hours a week. They hunt only one day out of three, and gathering takes up just three to six hours daily. In normal times, this is enough to feed the band. It may well be that ancient hunter-gatherers living in zones more fertile than the Kalahari spent even less time obtaining food and raw materials. On top of that, foragers enjoyed a lighter load of household chores. They had no dishes to wash, no carpets to vacuum, no floors to polish, no nappies to change and no bills to pay. ~ yuval-noah-harari, @wisdomtrove

198:How can we distinguish what is biologically determined from what people merely try to justify through biological myths? A good rule of thumb is ‘Biology enables, Culture forbids.’ Biology is willing to tolerate a very wide spectrum of possibilities. It’s culture that obliges people to realize some possibilities while forbidding others. Biology enables women to have children – some cultures oblige women to realize this possibility. Biology enables men to enjoy sex with one another – some cultures forbid them to realize this possibility. Culture tends to argue that it forbids only that which is unnatural. But from a biological perspective, nothing is unnatural. Whatever is possible is by definition also natural. A truly unnatural behavior, one that goes against the laws of nature, simply cannot exist. ~ yuval-noah-harari, @wisdomtrove

199:The greatest victory in living memory – of the United States over the Soviet Union – was achieved without any major military confrontation. The United States then got a fleeting taste of old-fashioned military glory in the First Gulf War, but this only tempted it to waste trillions on humiliating military fiascos in Iraq and Afghanistan. China, the rising power of the early twenty-first century, has assiduously avoided all armed conflicts since its failed invasion of Vietnam in 1979, and it owes its ascent strictly to economic factors. In this it has emulated not the Japanese, German and Italian empires of the pre-1914 era, but rather the Japanese, German and Italian economic miracles of the post-1945 era. In all these cases economic prosperity and geopolitical clout were achieved without firing a shot. ~ yuval-noah-harari, @wisdomtrove

200:But fiction has enabled us not merely to imagine things, but to do so collectively. We can weave common myths such as the biblical creation story, the Dreamtime myths of Aboriginal Australians, and the nationalist myths of modern states. Such myths give Sapiens the unprecedented ability to cooperate flexibly in large numbers. Ants and bees can also work together in huge numbers, but they do so in a very rigid manner and only with close relatives. Wolves and chimpanzees cooperate far more flexibly than ants, but they can do so only with small numbers of other individuals that they know intimately. Sapiens can cooperate in extremely flexible ways with countless numbers of strangers. That’s why Sapiens rule the world, whereas ants eat our leftovers and chimps are locked up in zoos and research laboratories. ~ yuval-noah-harari, @wisdomtrove

201:Finally, we can congratulate ourselves on the unprecedented accomplishments of modern Sapiens only if we completely ignore the fate of all other animals. Much of the vaunted material wealth that shields us from disease and famine was accumulated at the expense of laboratory monkeys, dairy cows and conveyor-belt chickens. Over the last two centuries tens of billions of them have been subjected to a regime of industrial exploitation whose cruelty has no precedent in the annals of planet Earth. If we accept a mere tenth of what animal-rights activists are claiming, then modern industrial agriculture might well be the greatest crime in history. When evaluating global happiness, it is wrong to count the happiness only of the upper classes, of Europeans or of men. Perhaps it is also wrong to consider only the happiness of humans. ~ yuval-noah-harari, @wisdomtrove

202:The orthodox branch of humanism holds that each human being is a unique individual possessing a distinctive inner voice and a never-to-be-repeated string of experiences. Every human being is a singular ray of light, which illuminates the world from a different perspective, and which adds colour, depth and meaning to the universe. Hence we ought to give as much freedom as possible to every individual to experience the world, follow his or her inner voice and express his or her inner truth. Whether in politics, economics or art, individual free will should have far more weight than state interests or religious doctrines. The more liberty individuals enjoy, the more beautiful, rich and meaningful is the world. Due to this emphasis on liberty, the orthodox branch of humanism is known as ‘liberal humanism’ or simply as ‘liberalism’. ~ yuval-noah-harari, @wisdomtrove

203:In fact, as time goes by, it becomes easier and easier to replace humans with computer algorithms, not merely because the algorithms are getting smarter, but also because humans are professionalising. Ancient hunter-gatherers mastered a very wide variety of skills in order to survive, which is why it would be immensely difficult to design a robotic hunter-gatherer. Such a robot would have to know how to prepare spear points from flint stones, how to find edible mushrooms in a forest, how to use medicinal herbs to bandage a wound, how to track down a mammoth and how to coordinate a charge with a dozen other hunters. However, over the last few thousand years we humans have been specialising. A taxi driver or a cardiologist specialises in a much narrower niche than a hunter-gatherer, which makes it easier to replace them with AI. Even ~ yuval-noah-harari, @wisdomtrove

204:Imagine how things might have turned out had the Neanderthals or Denisovans survived alongside Homo sapiens. What kind of cultures, societies and political structures would have emerged in a world where several different human species coexisted? How, for example, would religious faiths have unfolded? Would the book of Genesis have declared that Neanderthals descend from Adam and Eve, would Jesus have died for the sins of the Denisovans, and would the Qur’an have reserved seats in heaven for all righteous humans, whatever their species? Would Neanderthals have been able to serve in the Roman legions, or in the sprawling bureaucracy of imperial China? Would the American Declaration of Independence hold as a self-evident truth that all members of the genus Homo are created equal? Would Karl Marx have urged workers of all species to unite? ~ yuval-noah-harari, @wisdomtrove

205:According to the science of biology, people were not ‘created’. They have evolved. And they certainly did not evolve to be ‘equal’. The idea of equality is inextricably intertwined with the idea of creation. The Americans got the idea of equality from Christianity, which argues that every person has a divinely created soul, and that all souls are equal before God. However, if we do not believe in the Christian myths about God, creation and souls, what does it mean that all people are ‘equal’? Evolution is based on difference, not on equality. Every person carries a somewhat different genetic code, and is exposed from birth to different environmental influences. This leads to the development of different qualities that carry with them different chances of survival. ‘Created equal’ should therefore be translated into ‘evolved differently’. ~ yuval-noah-harari, @wisdomtrove

206:Farmers tend to eat a very limited and unbalanced diet. Especially in premodern times, most of the calories feeding an agricultural population came from a single crop – such as wheat, potatoes or rice – that lacks some of the vitamins, minerals and other nutritional materials humans need. The typical peasant in traditional China ate rice for breakfast, rice for lunch, and rice for dinner. If she were lucky, she could expect to eat the same on the following day. By contrast, ancient foragers regularly ate dozens of different foodstuffs. The peasant’s ancient ancestor, the forager, may have eaten berries and mushrooms for breakfast; fruits, snails and turtle for lunch; and rabbit steak with wild onions for dinner. Tomorrow’s menu might have been completely different. This variety ensured that the ancient foragers received all the necessary nutrients. ~ yuval-noah-harari, @wisdomtrove

207:More than 90 percent of these accidents are caused by very human errors: somebody drinking alcohol and driving, somebody texting a message while driving, somebody falling asleep at the wheel, somebody daydreaming instead of paying attention to the road. The National Highway Traffic Safety Administration estimated in 2012 that 31 percent of fatal crashes in the United States involved alcohol abuse, 30 percent involved speeding, and 21 percent involved distracted drivers.7 Self-driving vehicles will never do any of these things. Though they suffer from their own problems and limitations, and though some accidents are inevitable, replacing all human drivers by computers is expected to reduce deaths and injuries on the road by about 90 percent.8 In other words, switching to autonomous vehicles is likely to save the lives of one million people every year. ~ yuval-noah-harari, @wisdomtrove

208:In the twentieth century per capita GDP was perhaps the supreme yardstick for evaluating national success. From this perspective, Singapore, each of whose citizens produces on average $56,000 worth of goods and services a year, is a more successful country than Costa Rica, whose citizens produce only $14,000 a year. But nowadays thinkers, politicians and even economists are calling to supplement or even replace GDP with GDH – gross domestic happiness. After all, what do people want? They don’t want to produce. They want to be happy. Production is important because it provides the material basis for happiness. But it is only the means, not the end. In one survey after another Costa Ricans report far higher levels of life satisfaction than Singaporeans. Would you rather be a highly productive but dissatisfied Singaporean, or a less productive but satisfied Costa Rican? ~ yuval-noah-harari, @wisdomtrove

209:Eventually, we may reach a point when it will be impossible to disconnect from this all-knowing network even for a moment. Disconnection will mean death. If medical hopes are realised, future people will incorporate into their bodies a host of biometric devices, bionic organs and nano-robots, which will monitor our health and defend us from infections, illnesses and damage. Yet these devices will have to be online 24/7, both in order to be updated with the latest medical news, and in order to protect them from the new plagues of cyberspace. Just as my home computer is constantly attacked by viruses, worms and Trojan horses, so will be my pacemaker, my hearing aid and my nanotech immune system. If I don’t update my body’s anti-virus program regularly, I will wake up one day to discover that the millions of nano-robots coursing through my veins are now controlled by a North Korean hacker. ~ yuval-noah-harari, @wisdomtrove

210:So if you blame Facebook, Trump, or Putin for ushering in a new and frightening era of post-truth, remind yourself that centuries ago millions of Christians locked themselves inside a self-reinforcing mythological bubble, never daring to question the factual veracity of the Bible, while millions of Muslims put their unquestioning faith in the Quran. For millennia, much of what passed for news and facts in human social networks were stories about miracles, angels, demons, and witches, with bold reporters giving live coverage straight from the deepest pits of the underworld. We have zero scientific evidence that Eve was tempted by the serpent, that the souls of all infidels burn in hell after they die, or that the creator of the universe doesn’t like it when a Brahmin marries a Dalit—yet billions of people have believed in these stories for thousands of years. Some fake news lasts forever. ~ yuval-noah-harari, @wisdomtrove

211:The Scientific Revolution has not been a revolution of knowledge. It has been above all a revolution of ignorance. The great discovery that launched the Scientific Revolution was the discovery that humans do not know the answers to their most important questions. Premodern traditions of knowledge such as Islam, Christianity, Buddhism and Confucianism asserted that everything that is important to know about the world was already known. The great gods, or the one almighty God, or the wise people of the past possessed all-encompassing wisdom, which they revealed to us in scriptures and oral traditions. Ordinary mortals gained knowledge by delving into these ancient texts and traditions and understanding them properly. It was inconceivable that the Bible, the Qur’an or the Vedas were missing out on a crucial secret of the universe – a secret that might yet be discovered by flesh-and-blood creatures. ~ yuval-noah-harari, @wisdomtrove

212:When the faithful are asked whether God really exists, they often begin by talking about the enigmatic mysteries of the universe and the limits of human understanding. ‘Science cannot explain the Big Bang,’ they exclaim, ‘so that must be God’s doing.’ Yet like a magician fooling an audience by imperceptibly replacing one card with another, the faithful quickly replace the cosmic mystery with the worldly lawgiver. After giving the name of ‘God’ to the unknown secrets of the cosmos, they then use this to somehow condemn bikinis and divorces. ‘We do not understand the Big Bang – therefore you must cover your hair in public and vote against gay marriage.’ Not only is there no logical connection between the two, but they are in fact contradictory. The deeper the mysteries of the universe, the less likely it is that whatever is responsible for them gives a damn about female dress codes or human sexual behaviour. ~ yuval-noah-harari, @wisdomtrove

213:According to Buddhism, most people identify happiness with pleasant feelings, while identifying suffering with unpleasant feelings. People consequently ascribe immense importance to what they feel, craving to experience more and more pleasures, while avoiding pain. Whatever we do throughout our lives, whether scratching our leg, fidgeting slightly in the chair, or fighting world wars, we are just trying to get pleasant feelings. The problem, according to Buddhism, is that our feelings are no more than fleeting vibrations, changing every moment, like the ocean waves. If five minutes ago I felt joyful and purposeful, now these feelings are gone, and I might well feel sad and dejected. So if I want to experience pleasant feelings, I have to constantly chase them, while driving away the unpleasant feelings. Even if I succeed, I immediately have to start all over again, without ever getting any lasting reward for my troubles. ~ yuval-noah-harari, @wisdomtrove

214:Two Catholics who have never met can nevertheless go together on crusade or pool funds to build a hospital because they both believe that God was incarnated in human flesh and allowed Himself to be crucified to redeem our sins. States are rooted in common national myths. Two Serbs who have never met might risk their lives to save one another because both believe in the existence of the Serbian nation, the Serbian homeland and the Serbian flag. Judicial systems are rooted in common legal myths. Two lawyers who have never met can nevertheless combine efforts to defend a complete stranger because they both believe in the existence of laws, justice, human rights – and the money paid out in fees. Yet none of these things exists outside the stories that people invent and tell one another. There are no gods in the universe, no nations, no money, no human rights, no laws, and no justice outside the common imagination of human beings. ~ yuval-noah-harari, @wisdomtrove

215:Whichever way it happened, the Neanderthals (and the other human species) pose one of history’s great what ifs. Imagine how things might have turned out had the Neanderthals or Denisovans survived alongside Homo sapiens. What kind of cultures, societies and political structures would have emerged in a world where several different human species coexisted? How, for example, would religious faiths have unfolded? Would the book of Genesis have declared that Neanderthals descend from Adam and Eve, would Jesus have died for the sins of the Denisovans, and would the Qur’an have reserved seats in heaven for all righteous humans, whatever their species? Would Neanderthals have been able to serve in the Roman legions, or in the sprawling bureaucracy of imperial China? Would the American Declaration of Independence hold as a self-evident truth that all members of the genus Homo are created equal? Would Karl Marx have urged workers of all species to unite? ~ yuval-noah-harari, @wisdomtrove

216:In the twenty-first century it sounds childish to compare the human psyche to a steam engine. Today we know of a far more sophisticated technology – the computer – so we explain the human psyche as if it were a computer processing data rather than a steam engine regulating pressure. But this new analogy may turn out to be just as naïve. After all, computers have no minds. They don’t crave anything even when they have a bug, and the Internet doesn’t feel pain even when authoritarian regimes sever entire countries from the Web. So why use computers as a model for understanding the mind? Well, are we really sure that computers have no sensations or desires? And even if they haven’t got any at present, perhaps once they become complex enough they might develop consciousness? If that were to happen, how could we ascertain it? When computers replace our bus driver, our teacher and our shrink, how could we determine whether they have feelings or whether they are just a collection of mindless algorithms? ~ yuval-noah-harari, @wisdomtrove

217:If we think in term of months, we had probably focus on immediate problems such as the turmoil in the Middle East, the refugee crisis in Europe and the slowing of the Chinese economy. If we think in terms of decades, then global warming, growing inequality and the disruption of the job market loom large. Yet if we take the really grand view of life, all other problems anddevelopments are overshadowed by three interlinked processes: 1. Science is converging on an all-encompassing dogma, which says that organisms are algorithms and life is data processing. 2. Intelligence is decoupling from consciousness. 3. Non-conscious but highly intelligent algorithms may soon know us better than we know ourselves. These three processes raise three key questions, which I hope will stick in your mind long after you have finished this book: 1. Are organisms really just algorithms, and is life really just data processing? 2. What’s more valuable – intelligence or consciousness? 3. What will happen to society, politics and daily life when non-conscious but highly intelligent algorithms know us better than we know ourselves? ~ yuval-noah-harari, @wisdomtrove

218:It takes a lot of courage to fight biases and oppressive regimes, but it takes even greater courage to admit ignorance and venture into the unknown. Secular education teaches us that if we don’t know something, we shouldn’t be afraid of acknowledging our ignorance and looking for new evidence. Even if we think we know something, we shouldn’t be afraid of doubting our opinions and checking ourselves again. Many people are afraid of the unknown, and want clear-cut answers for every question. Fear of the unknown can paralyse us more than any tyrant. People throughout history worried that unless we put all our faith in some set of absolute answers, human society will crumble. In fact, modern history has demonstrated that a society of courageous people willing to admit ignorance and raise difficult questions is usually not just more prosperous but also more peaceful than societies in which everyone must unquestioningly accept a single answer. People afraid of losing their truth tend to be more violent than people who are used to looking at the world from several different viewpoints. Questions you cannot answer are usually far better for you than answers you cannot question. ~ yuval-noah-harari, @wisdomtrove

219:Centuries ago human knowledge increased slowly, so politics and economics changed at a leisurely pace too. Today our knowledge is increasing at breakneck speed, and theoretically we should understand the world better and better. But the very opposite is happening. Our new-found knowledge leads to faster economic, social and political changes; in an attempt to understand what is happening, we accelerate the accumulation of knowledge, which leads only to faster and greater upheavals. Consequently we are less and less able to make sense of the present or forecast the future. In 1016 it was relatively easy to predict how Europe would look in 1050. Sure, dynasties might fall, unknown raiders might invade, and natural disasters might strike; yet it was clear that in 1050 Europe would still be ruled by kings and priests, that it would be an agricultural society, that most of its inhabitants would be peasants, and that it would continue to suffer greatly from famines, plagues and wars. In contrast, in 2016 we have no idea how Europe will look in 2050. We cannot say what kind of political system it will have, how its job market will be structured, or even what kind of bodies its inhabitants will possess. ~ yuval-noah-harari, @wisdomtrove

220:The capitalist and consumerist ethics are two sides of the same coin, a merger of two commandments. The supreme commandment of the rich is ‘Invest!’ The supreme commandment of the rest of us is ‘Buy!’ The capitalist–consumerist ethic is revolutionary in another respect. Most previous ethical systems presented people with a pretty tough deal. They were promised paradise, but only if they cultivated compassion and tolerance, overcame craving and anger, and restrained their selfish interests. This was too tough for most. The history of ethics is a sad tale of wonderful ideals that nobody can live up to. Most Christians did not imitate Christ, most Buddhists failed to follow Buddha, and most Confucians would have caused Confucius a temper tantrum. In contrast, most people today successfully live up to the capitalist–consumerist ideal. The new ethic promises paradise on condition that the rich remain greedy and spend their time making more money and that the masses give free reign to their cravings and passions and buy more and more. This is the first religion in history whose followers actually do what they are asked to do. How though do we know that we'll really get paradise in return? We've seen it on television. ~ yuval-noah-harari, @wisdomtrove

221:How did Homo sapiens manage to cross this critical threshold, eventually founding cities comprising tens of thousands of inhabitants and empires ruling hundreds of millions? The secret was probably the appearance of fiction. Large numbers of strangers can cooperate successfully by believing in common myths. Any large-scale human cooperation – whether a modern state, a medieval church, an ancient city or an archaic tribe – is rooted in common myths that exist only in people’s collective imagination. Churches are rooted in common religious myths. Two Catholics who have never met can nevertheless go together on crusade or pool funds to build a hospital because they both believe that God was incarnated in human flesh and allowed Himself to be crucified to redeem our sins. States are rooted in common national myths. Two Serbs who have never met might risk their lives to save one another because both believe in the existence of the Serbian nation, the Serbian homeland and the Serbian flag. Judicial systems are rooted in common legal myths. Two lawyers who have never met can nevertheless combine efforts to defend a complete stranger because they both believe in the existence of laws, justice, human rights – and the money paid out in fees. ~ yuval-noah-harari, @wisdomtrove

222:Our feelings provide meaning not only for our private lives, but also for social and political processes. When we want to know who should rule the country, what foreign policy to adopt and what economic steps to take, we don’t look for the answers in scriptures. Nor do we obey the commands of the Pope or the Council of Nobel Laureates. Rather, in most countries, we hold democratic elections and ask people what they think about the matter at hand. We believe that the voter knows best, and that the free choices of individual humans are the ultimate political authority. Yet how does the voter know what to choose? Theoretically at least, the voter is supposed to consult his or her innermost feelings, and follow their lead. It is not always easy. In order to get in touch with my feelings, I need to filter out the empty propaganda slogans, the endless lies of ruthless politicians, the distracting noise created by cunning spin doctors, and the learned opinions of hired pundits. I need to ignore all this racket, and attend only to my authentic inner voice. And then my authentic inner voice whispers in my ear ‘Vote Cameron’ or ‘Vote Modi’ or ‘Vote Clinton’ or whomever, and I put a cross against that name on the ballot paper – and that’s how we know who should rule the country. ~ yuval-noah-harari, @wisdomtrove

223:For example, Christianity has been responsible for great crimes such as the Inquisition, the Crusades, the oppression of native cultures across the world, and the disempowerment of women. A Christian might take offence at this and retort that all these crimes resulted from a complete misunderstanding of Christianity. Jesus preached only love, and the Inquisition was based on a horrific distortion of his teachings. We can sympathise with this claim, but it would be a mistake to let Christianity off the hook so easily. Christians appalled by the Inquisition and by the Crusades cannot just wash their hands of these atrocities – they should rather ask themselves some very tough questions. How exactly did their ‘religion of love’ allow itself to be distorted in such a way, and not once, but numerous times? Protestants who try to blame it all on Catholic fanaticism are advised to read a book about the behaviour of Protestant colonists in Ireland or in North America. Similarly, Marxists should ask themselves what it was about the teachings of Marx that paved the way to the Gulag, scientists should consider how the scientific project lent itself so easily to destabilising the global ecosystem, and geneticists in particular should take warning from the way the Nazis hijacked Darwinian theories. ~ yuval-noah-harari, @wisdomtrove

224:Similar ecological disasters occurred on almost every one of the thousands of islands that pepper the Atlantic Ocean, Indian Ocean, Arctic Ocean and Mediterranean Sea. Archaeologists have discovered on even the tiniest islands evidence of the existence of birds, insects and snails that lived there for countless generations, only to vanish when the first human farmers arrived. None but a few extremely remote islands escaped man’s notice until the modern age, and these islands kept their fauna intact. The Galapagos Islands, to give one famous example, remained uninhabited by humans until the nineteenth century, thus preserving their unique menagerie, including their giant tortoises, which, like the ancient diprotodons, show no fear of humans. The First Wave Extinction, which accompanied the spread of the foragers, was followed by the Second Wave Extinction, which accompanied the spread of the farmers, and gives us an important perspective on the Third Wave Extinction, which industrial activity is causing today. Don’t believe tree-huggers who claim that our ancestors lived in harmony with nature. Long before the Industrial Revolution, Homo sapiens held the record among all organisms for driving the most plant and animal species to their extinctions. We have the dubious distinction of being the deadliest species in the annals of biology. Perhaps if more people were aware of the First Wave and Second Wave extinctions, they’d be less nonchalant about the Third Wave they are part of. If we knew how many species we’ve already eradicated, we might be more motivated to protect those that still survive. This is especially relevant to the large animals of the oceans. ~ yuval-noah-harari, @wisdomtrove

225:Today Hindu revivalists, pious Muslims, Japanese nationalists and Chinese communists may declare their adherence to very different values and goals, but they have all come to believe that economic growth is the key to realising their disparate goals. Thus in 2014 the devout Hindu Narendra Modi was elected prime minister of India thanks largely to his success in boosting economic growth in his home state of Gujarat, and to the widely held view that only he could reinvigorate the sluggish national economy. Analogous views have kept the Islamist Recep Tayyip Erdoğan in power in Turkey since 2003. The name of his party – the Justice and Development Party – highlights its commitment to economic development, and the Erdoğan government has indeed managed to maintain impressive growth rates for more than a decade. Japan’s prime minister, the nationalist Shinzō Abe, came to office in 2012 pledging to jolt the Japanese economy out of two decades of stagnation. His aggressive and somewhat unusual measures to achieve this have been nicknamed Abenomics. Meanwhile in neighbouring China the Communist Party still pays lip service to traditional Marxist–Leninist ideals, but in practice is guided by Deng Xiaoping’s famous maxims that ‘development is the only hard truth’ and that ‘it doesn’t matter if a cat is black or white, so long as it catches mice’. Which means, in plain language: do whatever it takes to promote economic growth, even if Marx and Lenin wouldn’t have been happy with it. In Singapore, as befits that no-nonsense city-state, they pursue this line of thinking even further, and peg ministerial salaries to the national GDP. When the Singaporean economy grows, government ministers get a raise, as if that is what their jobs are all about. ~ yuval-noah-harari, @wisdomtrove

226:According to Buddhism, the root of suffering is neither the feeling of pain nor of sadness nor even of meaninglessness. Rather, the real root of suffering is this never-ending and pointless pursuit of ephemeral feelings, which causes us to be in a constant state of tension, restlessness and dissatisfaction. Due to this pursuit, the mind is never satisfied. Even when experiencing pleasure, it is not content, because it fears this feeling might soon disappear, and craves that this feeling should stay and intensify. People are liberated from suffering not when they experience this or that fleeting pleasure, but rather when they understand the impermanent nature of all their feelings, and stop craving them. This is the aim of Buddhist meditation practices. In meditation, you are supposed to closely observe your mind and body, witness the ceaseless arising and passing of all your feelings, and realise how pointless it is to pursue them. When the pursuit stops, the mind becomes very relaxed, clear and satisfied. All kinds of feelings go on arising and passing – joy, anger, boredom, lust – but once you stop craving particular feelings, you can just accept them for what they are. You live in the present moment instead of fantasising about what might have been. The resulting serenity is so profound that those who spend their lives in the frenzied pursuit of pleasant feelings can hardly imagine it. It is like a man standing for decades on the seashore, embracing certain ‘good’ waves and trying to prevent them from disintegrating, while simultaneously pushing back ‘bad’ waves to prevent them from getting near him. Day in, day out, the man stands on the beach, driving himself crazy with this fruitless exercise. Eventually, he sits down on the sand and just allows the waves to come and go as they please. How peaceful! ~ yuval-noah-harari, @wisdomtrove

227:Following Homo sapiens, domesticated cattle, pigs and sheep are the second, third and fourth most widespread large mammals in the world. From a narrow evolutionary perspective, which measures success by the number of DNA copies, the Agricultural Revolution was a wonderful boon for chickens, cattle, pigs and sheep. Unfortunately, the evolutionary perspective is an incomplete measure of success. It judges everything by the criteria of survival and reproduction, with no regard for individual suffering and happiness. Domesticated chickens and cattle may well be an evolutionary success story, but they are also among the most miserable creatures that ever lived. The domestication of animals was founded on a series of brutal practices that only became crueller with the passing of the centuries. The natural lifespan of wild chickens is about seven to twelve years, and of cattle about twenty to twenty-five years. In the wild, most chickens and cattle died long before that, but they still had a fair chance of living for a respectable number of years. In contrast, the vast majority of domesticated chickens and cattle are slaughtered at the age of between a few weeks and a few months, because this has always been the optimal slaughtering age from an economic perspective. (Why keep feeding a cock for three years if it has already reached its maximum weight after three months?) Egg-laying hens, dairy cows and draught animals are sometimes allowed to live for many years. But the price is subjugation to a way of life completely alien to their urges and desires. It’s reasonable to assume, for example, that bulls prefer to spend their days wandering over open prairies in the company of other bulls and cows rather than pulling carts and ploughshares under the yoke of a whip-wielding ape. In order for humans to turn bulls, horses, donkeys and camels into obedient draught animals, their natural instincts and social ties had to be broken, their aggression and sexuality contained, and their freedom of movement curtailed. Farmers developed techniques such as locking animals inside pens and cages, bridling them in harnesses and leashes, training them with whips and cattle prods, and mutilating them. The process of taming almost always involves the castration of males. This restrains male aggression and enables humans selectively to control the herd’s procreation. ~ yuval-noah-harari, @wisdomtrove

228:The Battle of Good and Evil Polytheism gave birth not merely to monotheist religions, but also to dualistic ones. Dualistic religions espouse the existence of two opposing powers: good and evil. Unlike monotheism, dualism believes that evil is an independent power, neither created by the good God, nor subordinate to it. Dualism explains that the entire universe is a battleground between these two forces, and that everything that happens in the world is part of the struggle. Dualism is a very attractive world view because it has a short and simple answer to the famous Problem of Evil, one of the fundamental concerns of human thought. ‘Why is there evil in the world? Why is there suffering? Why do bad things happen to good people?’ Monotheists have to practise intellectual gymnastics to explain how an all-knowing, all-powerful and perfectly good God allows so much suffering in the world. One well-known explanation is that this is God’s way of allowing for human free will. Were there no evil, humans could not choose between good and evil, and hence there would be no free will. This, however, is a non-intuitive answer that immediately raises a host of new questions. Freedom of will allows humans to choose evil. Many indeed choose evil and, according to the standard monotheist account, this choice must bring divine punishment in its wake. If God knew in advance that a particular person would use her free will to choose evil, and that as a result she would be punished for this by eternal tortures in hell, why did God create her? Theologians have written countless books to answer such questions. Some find the answers convincing. Some don’t. What’s undeniable is that monotheists have a hard time dealing with the Problem of Evil. For dualists, it’s easy to explain evil. Bad things happen even to good people because the world is not governed single-handedly by a good God. There is an independent evil power loose in the world. The evil power does bad things. Dualism has its own drawbacks. While solving the Problem of Evil, it is unnerved by the Problem of Order. If the world was created by a single God, it’s clear why it is such an orderly place, where everything obeys the same laws. But if Good and Evil battle for control of the world, who enforces the laws governing this cosmic war? Two rival states can fight one another because both obey the same laws of physics. A missile launched from Pakistan can hit targets in India because gravity works the same way in both countries. When Good and Evil fight, what common laws do they obey, and who decreed these laws? So, monotheism explains order, but is mystified by evil. Dualism explains evil, but is puzzled by order. There is one logical way of solving the riddle: to argue that there is a single omnipotent God who created the entire universe – and He’s evil. But nobody in history has had the stomach for such a belief. ~ yuval-noah-harari, @wisdomtrove

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1:Biology enables, Culture forbids. ~ Yuval Noah Harari,

2:Consistency is the playground of dull minds. ~ Yuval Noah Harari,

3:We did not domesticate wheat. It domesticated us. ~ Yuval Noah Harari,

4:Money is the most universal and most efficient system of mutual trust ever devised. ~ Yuval Noah Harari,

5:Questions you cannot answer are usually far better for you than answers you cannot question. ~ Yuval Noah Harari,

6:The most common reaction of the human mind to achievement is not satisfaction, but craving for more. ~ Yuval Noah Harari,

7:Is there anything more dangerous than dissatisfied and irresponsible gods who don’t know what they want? ~ Yuval Noah Harari,

8:One of history’s few iron laws is that luxuries tend to become necessities and to spawn new obligations. ~ Yuval Noah Harari,

9:This is the essence of the Agricultural Revolution: the ability to keep more people alive under worse conditions. ~ Yuval Noah Harari,

10:You could never convince a monkey to give you a banana by promising him limitless bananas after death in monkey heaven. ~ Yuval Noah Harari,

11:History is something that very few people have been doing while everyone else was ploughing fields and carrying water buckets. ~ Yuval Noah Harari,

12:Each year the US population spends more money on diets than the amount needed to feed all the hungry people in the rest of the world. ~ Yuval Noah Harari,

13:How do you cause people to believe in an imagined order such as Christianity, democracy or capitalism? First, you never admit that the order is imagined. ~ Yuval Noah Harari,

14:happiness does not really depend on objective conditions of either wealth, health or even community. Rather, it depends on the correlation between objective conditions and subjective expectations. ~ Yuval Noah Harari,

15:Man’s Search for Meaning by Viktor E. Frankl The Rational Optimist by Matt Ridley The Better Angels of Our Nature by Steven Pinker Sapiens by Yuval Noah Harari Poor Charlie’s Almanack by Charlie Munger ~ Timothy Ferriss,

16:We do not become satisfied by leading a peaceful and prosperous existence. Rather, we become satisfied when reality matches our expectations. The bad news is that as conditions improve, expectations balloon. ~ Yuval Noah Harari,

17:We study history not to know the future but to widen our horizons, to understand that our present situation is neither natural nor inevitable, and that we consequently have many more possibilities before us than we imagine. ~ Yuval Noah Harari,

18:As Yuval Noah Harari puts it in his book Homo Deus:4 “If any scientist wants to argue that subjective experiences are irrelevant, their challenge is to explain why torture or rape are wrong without reference to any subjective experience. ~ Max Tegmark,

19:This is the best reason to learn history: not in order to predict the future, but to free yourself of the past and imagine alternative destinies. Of course this is not total freedom – we cannot avoid being shaped by the past. But some freedom is better than none. ~ Yuval Noah Harari,

20:Tao Te Ching by Lao Tzu (5 mentions) Atlas Shrugged by Ayn Rand (4) Sapiens by Yuval Noah Harari (4) Siddhartha by Hermann Hesse (4) The 4-Hour Workweek by Tim Ferriss (4) The Checklist Manifesto by Atul Gawande (4) Dune by Frank Herbert (3) Influence by Robert Cialdini (3) ~ Timothy Ferriss,

21:Large numbers of strangers can cooperate successfully by believing in common myths. Any large-scale human cooperation – whether a modern state, a medieval church, an ancient city or an archaic tribe – is rooted in common myths that exist only in people’s collective imagination. ~ Yuval Noah Harari,

22:In 2012 about 56 million people died throughout the world; 620,000 of them died due to human violence (war killed 120,000 people, and crime killed another 500,000). In contrast, 800,000 committed suicide, and 1.5 million died of diabetes. Sugar is now more dangerous than gunpowder. ~ Yuval Noah Harari,

23:Nothing captures the biological argument better than the famous New Age slogan: ‘Happiness begins within.’ Money, social status, plastic surgery, beautiful houses, powerful positions – none of these will bring you happiness. Lasting happiness comes only from serotonin, dopamine and oxytocin. ~ Yuval Noah Harari,

24:Culture tends to argue that it forbids only that which is unnatural. But from a biological perspective, nothing is unnatural. Whatever is possible is by definition also natural. A truly unnatural behaviour, one that goes against the laws of nature, simply cannot exist, so it would need no prohibition. ~ Yuval Noah Harari,

25:So, monotheism explains order, but is mystified by evil. Dualism explains evil, but is puzzled by order. There is one logical way of solving the riddle: to argue that there is a single omnipotent God who created the entire universe – and He’s evil. But nobody in history has had the stomach for such a belief. ~ Yuval Noah Harari,

26:The romantic contrast between modern industry that “destroys nature” and our ancestors who “lived in harmony with nature” is groundless. Long before the Industrial Revolution, Homo sapiens held the record among all organisms for driving the most plant and animal species to their extinctions. We have the dubious distinction of being the deadliest species in the annals of life. ~ Yuval Noah Harari,

27:Voltaire said about God that ‘there is no God, but don’t tell that to my servant, lest he murder me at night’. Hammurabi would have said the same about his principle of hierarchy, and Thomas Jefferson about human rights. Homo sapiens has no natural rights, just as spiders, hyenas and chimpanzees have no natural rights. But don’t tell that to our servants, lest they murder us at night. ~ Yuval Noah Harari,

28:In the past, censorship worked by blocking the flow of information. In the twenty-first century, censorship works by flooding people with irrelevant information. People just don't know what to pay attention to, and they often spend their time investigating and debating side issues. In ancient times having power meant having access to data. Today having power means knowing what to ignore. ~ Yuval Noah Harari, Homo Deus,

29:Ever since the Cognitive Revolution, Sapiens have thus been living in a dual reality. On the one hand, the objective reality of rivers, trees and lions; and on the other hand, the imagined reality of gods, nations and corporations. As time went by, the imagined reality became ever more powerful, so that today the very survival of rivers, trees and lions depends on the grace of imagined entities such as the United States and Google. ~ Yuval Noah Harari,

30:Transhumanism is a contemporary version of a modern project of human self-deification. One of the few to recognize this is the Israeli historian of science Yuval Noah Harari. In Sapiens: a brief history of humankind, first published in Hebrew in 2011, and Homo Deus: a brief history of tomorrow (2016), Harari suggests that the expanding powers that humankind is acquiring through the advance of science could end up bringing about human extinction ~ John N Gray,

31:As far as we can tell from a purely scientific viewpoint, human life has absolutely no meaning. Humans are the outcome of blind evolutionary processes that operate without goal or purpose. Our actions are not part of some divine cosmic plan, and if planet earth were to blow up tomorrow morning, the universe would probably keep going about its business as usual. As far as we can tell at this point, human subjectivity would not be missed. Hence any meaning that people inscribe to their lives is just a delusion. ~ Yuval Noah Harari,

32:How many young college graduates have taken demanding jobs in high-powered firms, vowing that they will work hard to earn money that will enable them to retire and pursue their real interests when they are thirty-five? But by the time they reach that age, they have large mortgages, children to school, houses in the suburbs that necessitate at least two cars per family, and a sense that life is not worth living without really good wine and expensive holidays abroad. What are they supposed to do, go back to digging up roots? No, they double their efforts and keep slaving away. ~ Yuval Noah Harari,

33:How many young college graduates have taken demanding jobs in high-powered firms, vowing that they will work hard to earn money that will enable them to retire and pursue their real interests when they are thirty-five? But by the time they reach that age, they have large mortgages, children to school, houses in the suburbs that necessitate at least two cars per family, and a sense that life is not worth living without really good wine and expensive holidays abroad. What are they supposed to do, go back to digging up roots? No, they double their efforts and keep slaving away.’ —Yuval Noah Harari, Sapiens: A Brief History of Humankind (2011) ~ Matt Haig,

34:How can we distinguish what is biologically determined from what people merely try to justify through biological myths? A good rule of thumb is ‘Biology enables, Culture forbids.’ Biology is willing to tolerate a very wide spectrum of possibilities. It’s culture that obliges people to realize some possibilities while forbidding others. Biology enables women to have children – some cultures oblige women to realize this possibility. Biology enables men to enjoy sex with one another – some cultures forbid them to realize this possibility. Culture tends to argue that it forbids only that which is unnatural. But from a biological perspective, nothing is unnatural. Whatever is possible is by definition also natural. A truly unnatural behavior, one that goes against the laws of nature, simply cannot exist. ~ Yuval Noah Harari,

35:The capitalist and consumerist ethics are two sides of the same coin, a merger of two commandments. The supreme commandment of the rich is ‘Invest!’ The supreme commandment of the rest of us is ‘Buy!’ The capitalist–consumerist ethic is revolutionary in another respect. Most previous ethical systems presented people with a pretty tough deal. They were promised paradise, but only if they cultivated compassion and tolerance, overcame craving and anger, and restrained their selfish interests. This was too tough for most. The history of ethics is a sad tale of wonderful ideals that nobody can live up to. Most Christians did not imitate Christ, most Buddhists failed to follow Buddha, and most Confucians would have caused Confucius a temper tantrum. In contrast, most people today successfully live up to the capitalist–consumerist ideal. The new ethic promises paradise on condition that the rich remain greedy and spend their time making more money and that the masses give free reign to their cravings and passions and buy more and more. This is the first religion in history whose followers actually do what they are asked to do. How though do we know that we'll really get paradise in return? We've seen it on television. ~ Yuval Noah Harari,

36:According to Buddhism, the root of suffering is neither the feeling of pain nor of sadness nor even of meaninglessness. Rather, the real root of suffering is this never-ending and pointless pursuit of ephemeral feelings, which causes us to be in a constant state of tension, restlessness and dissatisfaction. Due to this pursuit, the mind is never satisfied. Even when experiencing pleasure, it is not content, because it fears this feeling might soon disappear, and craves that this feeling should stay and intensify. People are liberated from suffering not when they experience this or that fleeting pleasure, but rather when they understand the impermanent nature of all their feelings, and stop craving them. This is the aim of Buddhist meditation practices. In meditation, you are supposed to closely observe your mind and body, witness the ceaseless arising and passing of all your feelings, and realise how pointless it is to pursue them. When the pursuit stops, the mind becomes very relaxed, clear and satisfied. All kinds of feelings go on arising and passing – joy, anger, boredom, lust – but once you stop craving particular feelings, you can just accept them for what they are. You live in the present moment instead of fantasising about what might have been. The resulting serenity is so profound that those who spend their lives in the frenzied pursuit of pleasant feelings can hardly imagine it. It is like a man standing for decades on the seashore, embracing certain ‘good’ waves and trying to prevent them from disintegrating, while simultaneously pushing back ‘bad’ waves to prevent them from getting near him. Day in, day out, the man stands on the beach, driving himself crazy with this fruitless exercise. Eventually, he sits down on the sand and just allows the waves to come and go as they please. How peaceful! ~ Yuval Noah Harari,

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