Leadership is about making the tough calls and standing by them.

The best argument I know for an immortal life is the existence of a man who deserves one.

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.

If you're not adapting, you're falling behind.

思索寓含着判断，我们都那么偏执，以至会做出否定的判断，所以在卧室时，我们总是心存疑虑。

跨境合作至关重要——鱼类不承认国界，我们保护它们的努力也不应该承认国界。