Homo Deus: A Brief History of Tomorrow
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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.
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Until the early twentieth century, about a third of children died before reaching adulthood from a combination of malnutrition and disease.
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Hence as knowledge became the most important economic resource, the profitability of war declined and wars became increasingly restricted to those parts of the world – such as the Middle East and Central Africa – where the economies are still old-fashioned material-based economies.
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Just as nuclear weapons made the New Peace possible in the first place, so future technological developments might set the stage for new kinds of war.
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Acknowledging our past achievements sends a message of hope and responsibility, encouraging us to make even greater efforts in the future.
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history does not tolerate a vacuum.
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The most common reaction of the human mind to achievement is not satisfaction, but craving for more.
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but life is generally divided into a learning period followed by a working period. When you live to be 150 that won’t do, especially in a world that is constantly being shaken by new technologies. People will have much longer careers, and will have to reinvent themselves again and again even at the age of ninety. At the same time, people will not retire at
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Our ideological commitment to human life will never allow us simply to accept human death. As long as people die of something, we will strive to overcome it.
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In the long run, a deep friendship will make us more content than a frenzied orgy. Epicurus outlined an entire ethic of dos and don’ts to guide people along the treacherous path to happiness.
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On the psychological level, happiness depends on expectations rather than objective conditions.
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Bentham’s successor, John Stuart Mill, explained that happiness is nothing but pleasure and freedom from pain, and that beyond pleasure and pain there is no good and no evil.
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When the rats were given a choice between tasty food and pressing the pedal, they preferred the pedal (much like kids preferring to play video games rather than come down to dinner). The rats pressed the pedal again and again, until they collapsed from hunger and exhaustion.
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Perhaps the key to happiness is neither the race nor the gold medal, but rather combining the right doses of excitement and tranquillity; but most of us tend to jump all the way from stress to boredom and back, remaining as discontented with one as with the other.
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What some people hope to get by studying, working or raising a family, others try to obtain far more easily through the right dosage of molecules. This is an existential threat to the social and economic order, which is why countries wage a stubborn, bloody and hopeless war on biochemical crime.
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In research labs experts are already working on more sophisticated ways of manipulating human biochemistry, such as sending direct electrical stimuli to appropriate spots in the brain, or genetically engineering the blueprints of our bodies.
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on the contrary, the more I crave these pleasant sensations, the more stressed and dissatisfied I will become. To attain real happiness, humans need to slow down the pursuit of pleasant sensations, not accelerate it.
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it seems that the second great project of the twenty-first century – to ensure global happiness – will involve re-engineering Homo sapiens so that it can enjoy everlasting pleasure.
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The upgrading of humans into gods may follow any of three paths: biological engineering, cyborg engineering and the engineering of non-organic beings. Biological engineering starts with
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However, once technology enables us to re-engineer human minds, Homo sapiens will disappear, human history will come to an end and a completely new kind of process will begin, which people like you and me cannot comprehend.
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to transform their own bodies; to control the environment and the weather; to read minds and to communicate at a distance; to travel at very high speeds; and of course to escape death and live indefinitely. Humans are in the business of acquiring all these abilities, and then some.
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Healing is the initial justification for every upgrade.
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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.
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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.
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Historians study the past not in order to repeat it, but in order to be liberated from it.
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Whether you want workers to go on a general strike, women to take possession of their bodies, or oppressed minorities to demand political rights – the first step is to retell their history. The new history will explain that ‘our present situation is neither natural nor eternal.
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They aim not to perpetuate the past, but rather to be liberated from it.
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The bigger and neater the lawn, the more powerful the dynasty. If you came to visit a duke and saw that his lawn was in bad shape, you knew he was in trouble.
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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.
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For 300 years the world has been dominated by humanism, which sanctifies the life, happiness and power of Homo sapiens.
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People are usually afraid of change because they fear the unknown. But the single greatest constant of history is that everything changes.
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In the Garden of Eden, Adam and Eve lived as foragers. The expulsion from Eden bears a striking resemblance to the Agricultural Revolution.
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‘Algorithm’ is arguably the single most important concept in our world. If we want to understand our life and our future, we should make every effort to understand what an algorithm is, and how algorithms are connected with emotions.
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but since mammal youngsters cannot survive without motherly care, it is evident that motherly love and a strong mother–infant bond characterise all mammals.
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Alas, the cloth-mother never responded to their affection and the little monkeys consequently suffered from severe psychological and social problems, and grew up to be neurotic and asocial adults.
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What Harry Harlow did to a few hundred monkeys, the meat and dairy industries are doing to billions of animals every year.
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A modern Jewish family that celebrates a holiday by having a barbecue on their front lawn is much closer to the spirit of biblical times than an orthodox family that spends the time studying scriptures in a synagogue.
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We normally think that theist religions sanctified the great gods. We tend to forget that they sanctified humans, too.
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Firstly, they explained what is so special about Sapiens and why humans should dominate and exploit all other organisms.
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Secondly, the gods had to mediate between humans and the ecosystem.
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What to do, then, when you wanted the trees to give more fruits, the cows to give more milk, the clouds to bring more rain and the locusts to stay away from your crops? That’s where the gods entered the picture.
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Noah was instructed to save the whole ecosystem in order to protect the common interests of gods and humans rather than the interests of the animals. Non-human organisms have no intrinsic value; they exist solely for our sake.
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During the Scientific Revolution humankind silenced the gods too. The world was now a one-man show. Humankind stood alone on an empty stage, talking to itself, negotiating with no one and acquiring enormous powers without any obligations. Having deciphered the mute laws of physics, chemistry and biology, humankind now does with them as it pleases.
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The founding idea of humanist religions such as liberalism, communism and Nazism is that Homo sapiens has some unique and sacred essence that is the source of all meaning and authority in the universe. Everything that happens in the cosmos is judged to be good or bad according to its impact on Homo sapiens.
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Hence the existence of souls cannot be squared with the theory of evolution. Evolution means change, and is incapable of producing everlasting entities.
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Similarly, consciousness may be a kind of mental pollution produced by the firing of complex neural networks. It doesn’t do anything. It is just there. If this is true, it implies that all the pain and pleasure experienced by billions of creatures for millions of years is just mental pollution.
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Once you acknowledge the mere feasibility of this scenario, mathematics leads you to a very scary conclusion: since there is only one real world, whereas the number of potential virtual worlds is infinite, the probability that you happen to inhabit the sole real world is almost zero.
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The Turing Test is simply a replication of a mundane test every gay man had to undergo in 1950s Britain: can you pass for a straight man?
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Nonhuman animals, including all mammals and birds, and many other creatures, including octopuses, also possess these neurological substrates.’
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The second time, most rats struggle for twenty minutes before calling it quits. Why the extra six minutes? Because the memory of past success triggers the release of some biochemical in the brain that gives the rats hope and delays the advent of despair. If we could only isolate this biochemical, we might use it as an antidepressant for humans.
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