当一大群人同意并契约时，就会成立一个共和国，每个人都与每个人达成共识，任何一个人或一群人被多数人授权，成为他们所有人的代表。

人类大脑是社交大脑，它的进化是为了处理社会关系。

If you don’t cannibalize yourself, someone else will.

The facts of life are very simple, but the stories we tell about them are very complicated.