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 was taught that if you're going to study something, you must understand it deeply and be familiar with primary sources. But if you write a history of the whole world, you can't do this. That's the trade-off.

Our bodies and minds evolved and were adapted for hundreds of thousands of years for tasks like climbing a tree and picking apples, or hunting rabbits, or looking for mushrooms in the forest. They were not adapted to the very gruelling work that is involved in field work - ploughing, harvesting, bringing water, digging weeds - things like that.

Yuval Noah Harari Quotes