You have a dream, you got to protect it.

The beauty of a mathematical idea is that it can be shared and understood across cultures and time.

The only way to do great work is to love what you do.

我不会让世界改变我的精神。

并不是我很聪明，而只是我和问题相处得比较久一点。

当我走出囚室、迈过通往自由的监狱大门时，我已经清楚，自己若不能把悲痛与怨恨留在身后，那么我其实仍在狱中。