We don't inherit the earth from our ancestors; we borrow it from our children. This truth guides every decision we make.

The moment you give up is the moment you let someone else win.

The only way that I can fight back is to write about it.

I never make the mistake of arguing with people for whose opinions I have no respect.

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.

最重要的是要忠于自己和你正在讲述的故事。

The speech we hear is an indication of that which we don't hear.