I don't think about age. I think about spirit. I think about how I feel inside.

The more you know who you are, and what you want, the less you let things upset you.

I’m not a guy that’s going to let my love for the game down.

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

当遗憾取代梦想时，一个人才算老了。