The essence of mathematics lies in its freedom.

A mathematical proof is a poem written in the language of logic.

There are no mistakes in art, only unexpected discoveries.

你越看，看到的就越多。

In the end, what matters is not the answers we find, but the questions we dare to ask.

度过生活的唯一方法就是笑着度过它。你要么笑，要么哭。我更喜欢笑。哭会让我头疼。