Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

我想写一本既有趣又能让人思考的书。

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

I think the best movies are the ones that make you think, that challenge you.

数学中最重要的是理解概念，而不仅仅是记忆公式。