喜欢美女和追求富贵的人，不管别人如何都努力去做。而义，是天下的大事，何必先看别人再努力去做呢？ 

The speech we hear is an indication of that which we don't hear. It is a necessary avoidance, a violent, sly, anguished or mocking smokescreen which keeps the other in its place.

对自己要求比别人期望的标准更高。永远不要为自己找借口。

The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.

The only limits in life are the ones you make.

计算复杂性的研究不仅仅是关于解决问题，还在于理解可计算性的极限。

思想之流朝着有目的的方向流动。