我不是一个恶棍，我是一个现实主义者。

你对生活了解得越多，你就越能成为一个好演员。

The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

Happiness is not a matter of intensity but of balance, order, rhythm and harmony.

I can calculate the motions of the heavenly bodies， but not the madness of people.

You have to believe in yourself when no one else does.