"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

做数学的过程比结果更重要。

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.

我们需要设计考虑到人类心理的政策，而不仅仅是经济理论。

家不仅仅是一个地方；它是一种感觉，一种归属感。