The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

A belief is like a guillotine, just as heavy, just as light.

胜利并不总是衡量进步的标准。

I don't think you can ever be too prepared.

我只是个音乐人，伙计。我只想演奏音乐。

创新是看到每个人都看到的东西，思考没有人想过的事情。