我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。
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 whole world is becoming more and more homogenized, and I think it's important to preserve cultural identity.
The best way to predict the future is to create it.
生活是一系列的时刻，有些转瞬即逝，有些永恒。