Mathematics is not just a human invention; it has a deep reality that exists independently of us.

网球是一项残酷的运动。没有平局。如果你输了，你就出局了。你必须准备好接受这一点。

The secret of living is to own a convertible and a lake...If the sun is shining, you can rid around in your convertible and be happy...If it starts to rain, it won't spoil your day because you can just say, 'Oh, well, the rain will fill up my lake!'"”

每个故事都是一次旅程，而每次旅程都会改变旅行者。

There is no such thing as a quality problem.