Stay hungry, stay foolish.

The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.

The energy you give is the energy you get.

决定不做什么和决定做什么同样重要。

修正错误，是人生必修课。不断“正心”，才能不走偏。

心灵是一个不断变化的过程流。

软件工程的目标是生产可靠、可维护和高效的软件系统。