The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.

The dead might as well try to speak to the living as the old to the young.

The most important thing is to be sincere in what you do. If you are sincere, the public will feel it.

今天种下的每一粒种子都是对未来粮食供应的投资。

训练一只鹰是一场对话，而不是独白。

每个人对自己劳动的产权既是所有其他产权的最初基础，也是最神圣和不可侵犯的。

古代著书立说的人，都是有所为而发的。