I'm not a professional. I have no professional life. I just do what I do.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

克服恐惧的最好方式是用勇气面对它。

真相很少纯粹，也绝不简单。

"The future is about making technology work for people."

做你自己，别在意别人的看法。