The more you give, the more you receive.

He was a man who had always been too proud to ask for help, and now he was too proud to accept it.

I'm not a diva, I'm a worker.

唯一真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。

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。