"Every city has a sex and an age which have nothing to do with demography."

技术冲击是经济波动的主要来源。

I don't let anyone dim my light.

任正非内部讲话稿

错误经不起失败，但是真理却不怕失败。

Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

写作是一种不被干扰的说话方式。