如果要在正确和善良中做出选择，请选择善良。

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

Write a program as carefully as you write a letter.

Simplicity is not the goal. It is the by-product of a good idea.

正义的概念不是法律概念，而是道德概念。

永远不要停止学习——世界一直在变化。

You can't manage what you don't measure.