When you have to kill a man it costs nothing to be polite.

Mathematics is not a spectator sport.

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

你已经足够好了，就做你自己。

我不知道自己在做什么，但我知道如果我不完成这部电影，我将永远没有另一个机会。

A writer must be willing to be alone.

我不是商人；我就是生意，伙计。