This is the map that shows us where we're going. And this is the map that shows us where we've been. And it's never ever ugly.

数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

The theory of probabilities is at bottom nothing but common sense reduced to calculus.

"The only thing necessary for the triumph of evil is for good men to do nothing."

培养感恩之心是提高生活满意度最可靠的方法之一。

I don’t let success define me, I let it refine me.