913 Quotes by Yuval Noah Harari

For thousands of years, humans believed that authority came from the gods. Then, during the modern era, humanism gradually shifted authority from deities to people.

When you look at the growth of the human economy and its expected growth in the twenty-first century, I expect health will be the most important market of all. Especially as we move from a concept of health which focuses on healing the sick to a concept of upgrading the healthy.

As algorithms push humans out of the job market, wealth and power might become concentrated in the hands of the tiny elite that owns the all-powerful algorithms, creating unprecedented social and political inequality. Alternatively, the algorithms might themselves become the owners.

The most important question in 21st-century economics may well be, 'What should we do with all the superfluous people, once we have highly intelligent non-conscious algorithms that can do almost everything better than humans?'

As beavers build dams and bees build hives, human beings have spears. Or take the high intelligence of human beings, the ability to make plans, to transmit information - that was also there before, but that, together with the tools, was not enough to make man special.

For thousands of years, we have gained the power to control the world outside us but not to control the world inside. You could stop a river from flowing, but you could not stop your body from becoming old. You could kill mosquitoes, but you could not kill annoying thoughts buzzing inside your head.

If you take 10,000 chimpanzees and cram them together into Wembley Stadium or the Houses of Parliament, you will get chaos. But if you take 10,000 people who have never met before, they can co-operate and create amazing things.

I think, in general, medicine in the 21st century will switch from healing the sick to upgrading the healthy... If you find ways to repair the memory damaged by Alzheimer's disease or dementia and so forth, it is very likely that the same methods could be used to upgrade the memory of completely healthy people.

In order to survive in a very small tribe, you needed to know how to do lots of things for yourself: how to make your tools, how to get food, and how to make your clothes - things most of us today don't need to know. The only thing I need to survive is to know history.