
21 Lessons for the 21st Century

Many people might share the fate not of nineteenth-century wagon drivers, who switched to driving taxis, but of nineteenth-century horses, who were increasingly pushed out of the job market altogether.15
Yuval Noah Harari • 21 Lessons for the 21st Century
In truth, European civilization is anything Europeans make of it, just as Christianity is anything Christians make of it, Islam is anything Muslims make of it, and Judaism is anything Jews make out of it. And they have made of it remarkably different things over the centuries.
Yuval Noah Harari • 21 Lessons for the 21st Century
Humans have two types of abilities—physical and cognitive. In the past, machines competed with humans mainly in raw physical abilities, while humans retained an immense edge over machines in cognition. Therefore, as manual jobs in agriculture and industry were automated, new service jobs emerged that required the kind of cognitive skills only
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Believing that my nation is unique, that it deserves my allegiance, and that I have special obligations toward its members inspires me to care about others and make sacrifices on their behalf. It is a dangerous mistake to imagine that without nationalism we would all be living in a liberal paradise. More likely we would be living in tribal chaos.
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Humans were always far better at inventing tools than using them wisely.
Yuval Noah Harari • 21 Lessons for the 21st Century
For example, it might become impossible or irrelevant to calculate and tax incomes in dollars, because most transactions will involve only the exchange of information,
Yuval Noah Harari • 21 Lessons for the 21st Century
At first, we realize that we do not control the world outside us. I don’t decide when it rains. Then we realize that we do not control what’s happening inside our own body. I don’t control my blood pressure. Next, we understand that we don’t even govern our brain. I don’t tell the neurons when to fire. That’s more difficult. Ultimately we should
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exacerbated
Yuval Noah Harari • 21 Lessons for the 21st Century
Can you guess how long it took AlphaZero to learn chess from scratch, prepare for the match against Stockfish, and develop its genius instincts? Four hours. That’s not a typo. For centuries, chess was considered one of the crowning glories of human intelligence. AlphaZero went from utter ignorance to creative mastery in four hours, without the help
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