Mathematics is not a spectator sport; you have to play to understand.

The computer is a fantastic tool if you know how to use it.

离散数学和连续数学之间的相互作用是一些最有趣的问题所在。

A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.

我不抱怨。我接受挑战并努力工作。