The moment you give up, is the moment you let someone else win.
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.
数学是为不同事物赋予相同名称的艺术。
The multiverse is not a theory, it is a consequence of our best theories.
The biggest risk is not taking any risk at all.
I saw China embracing the world and vice versa.