The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
对于世界而言，你是一个人；但是对于某个人，你是他的整个世界。
The only way to learn mathematics is to do mathematics.
"A great cinematographer knows when to break the rules to create something extraordinary."
对民主最危险的威胁是对制度信任的侵蚀。
A ship in port is safe, but that's not what ships are built for.
现象学还原不是对世界的否定，而是对我们自然态度的悬置。
Seeing comes before words. The child looks and recognizes before it can speak.