We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
The most important thing is to try and inspire people so that they can be great in whatever they want to do.
艺术的功能是扰乱。
每一吨开采的煤炭都应承载我们对未来的承诺
"Language is a virus from outer space."
Worth repeating: measure twice, cut once.