I don't believe in happy endings. Life is not like that.

It's not about how hard you hit. It's about how hard you can get hit and keep moving forward.

So, I'm going to end it there. But what I really want to stress is: by all means, success, yes. But let's accept the strangeness of some of our ideas. Let's probe away at our notions of success. Let's make sure our ideas of success are truly our own.

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。

Security is always excessive until it's not enough.