他就像一个在公园里无忧无虑漫步的人一样，好像穿着一件隐形的外套，可以屏蔽监狱里的纷扰。

The only real knowledge is self-knowledge.

"The best way to find yourself is to lose yourself in the service of others."

When we write programs that "learn", it turns out that we do and they don't.

The greatest reward is not winning, but the journey itself.

I write to understand, to make sense of the world and my place in it.