算法研究既关乎逻辑和数学，也关乎创造力。

保持饥饿，保持愚蠢

"I don’t want to be known just as a tennis player. I want to be known as a good person."

The most important thing is to enjoy your sport. If you don't enjoy it, you won't be able to give your best.

在网球中，就像在生活中一样，你必须不断前进——一次一分。

要理解递归，首先必须理解递归。