Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.

The only thing that can save us is to stop being afraid.

Knowing what you don’t know is more useful than being brilliant.

科学的进步不是一条直线，而是一系列曲折，有时在新的进展之前似乎会倒退。

我从不满足于任何事，我是个完美主义者，这是我的一部分。