阅读是不动身的旅行；写作是不旅行的移动。

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

In mathematics, the journey to the solution is just as important as the solution itself.

我在恋爱中吗？是的，因为我在等人。

我生命中发生的一切都有其原因。