It is to the credit of human nature, that, except where its selfishness is brought into play, it loves more readily than it hates.

The best is yet to be, the last of life, for which the first was made.

我不是政客，我是行为艺术家。

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

不要让恐惧阻止你追逐梦想。