生活不是一个人所过的日子，而是他所记住的日子以及为了讲述它们而记住的方式。

The greatest disability is a bad attitude.

If a listener nods his head when you're explaining your program, wake him up.

On progress: "If you're competitor-focused， you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering."

模形式的算术是理解数论更深层次结构的关键。