The arithmetic of modular forms is a window into the hidden structures of the universe.

The greatest glory in living lies not in never falling, but in rising every time we fall.

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

生活的全部就是放手，但最痛苦的是没有花一点时间说再见。

A majority of life's errors are caused by forgetting what one is really trying to do.