The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

The most important thing in directing is to have a clear vision of what you want to achieve.

The best way to find out if you can trust somebody is to trust them.

我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。

不学《诗经》，就无法表达自己的意思；不学习《礼记》，就无法在社会中立足。