数学的目标不是解决问题，而是理解问题。

The key to power is the ability to judge who is best to serve your purposes, and then to win them over to your side.

We want to make sure Chinese babies can drink world-class milk powder.

To live is to be constantly surprised by humanity.

I’m not a player who’s going to dunk on you and talk trash. I’m going to dunk on you and run back on defense.