Mathematics is the art of asking the right questions and then finding their answers.

改变令人不适，但它是进步的必要条件。

Friendship is the bridge of the soul.

我明白了你不可能同时拥有一切并做所有事情。

不要让那些混蛋把你磨垮。

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

I raised my kids to be independent—just like me.

I am not trying to imitate a photograph, I am trying to make one.

最终，我们记住的不是敌人的话语，而是朋友的沉默。