我不需要英雄，我自己就是英雄。

道德不是关于如何使自己幸福的学说，而是关于如何使自己配得上幸福的学说。

I don't need to be liked by everyone. I need to be true to myself.

A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.

你比你想象的更强大，比你相信的更勇敢，比你知道的更聪明。