Design is the first signal of human intention—so let’s make sure that intention is good.

I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.

追求幸福与追求快乐不同；幸福是灵魂的一种状态，而非身体的感受。

译文：不害怕老虎生了三张口会吃人，就担心世间的人会有两面的心思。赏析：心口不一的人，表面上对人笑脸相迎，背地里却干着损人利己的事。