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.

我们一起经历了这么多，粉丝们一直都在我们身边。

"You got to put the past behind you before you can move on." And I think that's what my running was all about.

Collaboration beats competition when the goal is to make a real difference.

保持饥饿，保持愚蠢。

"I want to write books that make children think and feel."