创新来自于挑战现状并接受新想法。

"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

The success of any political system depends on its ability to generate legitimacy in the eyes of its citizens.

文字的力量在于它们可以创造世界。

It's not about being the best, it's about being better than you were yesterday.

对记忆的研究就是对人类本性的研究。

If you borrow something， try to return it in better shape than you received it. Clean it， sharpen it， fill it up.

学习新编程语言的最好方法是用它编写程序。