我的语言的界限意味着我的世界的界限。

数学的美在于它让我们无需离开椅子就能探索宇宙。

What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.

只有掌握核心技术，才能立于不败之地。