Integrity is doing the right thing, even when no one is watching.

对付不自由的世界的唯一方法，就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

穆里尼奥回击克鲁伊夫

"In mathematics, you don't understand things. You just get used to them."

Hope is the last thing to die, and the first thing to betray you.

In string theory, all particles are vibrations of a tiny supersymmetric string.