A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.

The noblest pleasure is the joy of understanding.

一个人越是限制自己，他就越有创造力。

海洋不仅仅是一种资源；保护和维持它以供子孙后代使用是我们的责任。

Education is the most powerful weapon which you can use to change the world.

巴菲特批评自己在航空业投资的错误时说

I met the towering intellectuals in books, not in classroom, which is natural.My family was into all that stuff, getting ahead through discipline, knowledge, and self-control.

Science is the knowledge of consequences, and dependence of one fact upon another.

At seventy, I’m just getting started. Watch me.

如果您在解释程序时听众点头，请叫醒他。