数学是人类精神最美丽、最强大的创造。

"The truth is rarely pure and never simple."

The only limit to our realization of tomorrow will be our doubts of today.

When someone really hears you without passing judgment on you, without trying to take responsibility for you, without trying to mold you, it feels damn good!

安全不仅仅是一项政策，它是一种生活方式。