"I don't think you can ever do your best. Doing your best is a process of trying to do your best."

人对意义的追寻是他生命中的主要动机。

Train people well enough so they can leave, treat them well enough so they don't want to.

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

我不完美，但我总是做我自己。

效率是工程师的第一美德。

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

The best way to predict the future is to invent it.

The free, exploring mind of the individual human is the most valuable thing in the world.