Don't let anyone dull your sparkle.

走向自由，不管在哪，都没有轻松的道路；多数人在到达渴望的巅峰之前，都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。

一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。

The only limit to your impact is your imagination and commitment.

One way of looking at speech is to say that it is a constant stratagem to cover nakedness.

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

Your brain is like a muscle; the more you use it, the stronger it gets.