数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

Evil is not something that can be explained. It just is.

You don't have to be a rock star to want to change the world.

I'm a fighter. I believe in the positive. I believe in hard work.

没有所谓的应用科学，只有科学的应用。

领导力意味着今天做出艰难的决定，而这些决定将在几十年后得到回报。

I start early and I stay late, day after day, year after year. It took me 17 years and 114 days to become an overnight success.

On haters: "If you never want to be criticized， for goodness' sake don't do anything new."