Making something is really hard. You have to care about it so much that you will push through all the disappointments and frustrations.

Representation theory provides the language in which many number-theoretic phenomena can be expressed.

我越是工作，就越是以不同的方式看待事物。

非暴力是人类可以使用的最强大力量。

你的手干不了活是因为我。

出自《论语·子罕》。年轻人是值得敬畏的啊，你怎么知道他之后不如当今的你呢？