教授数学是为了激励下一代的思考者和问题解决者。

领导力意味着今天做出艰难的决策，以便明天让所有人受益。

I don't do things for the reaction or the accolade. I do things because I love doing them.

I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh.

一本好书应该让你在读完时略感疲惫。你在阅读时已经活了好几辈子。

安全总是过度的，直到它不够为止。