容易得到的东西，是靠不住的；轻易许下的诺言，不值得信赖。

When a professor insists computer science is X but not Y, have compassion for his graduate students.

The study of Shimura varieties is a meeting point of geometry, algebra, and number theory.

"The only thing necessary for the triumph of evil is for good men to do nothing."

每个故事都是一次旅程，每次旅程都是一个故事。

Never underestimate the importance of "useless" fundamental research.

对生命的研究就是对无限可能性的研究。