法律与道德之间没有必然的联系。

一个好的模型是准确性和简洁性之间的折衷。

The city is a great artifact, the supreme work of human civilization.

There will be obstacles. There will be doubters. There will be mistakes. But with hard work, there are no limits.

让你难过的事情，有一天，你一定会笑着说出来。