酒要与了解自己的人去喝，诗要向懂得的人去说。

别让恐惧书写你的故事。

The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.

You have to spend some energy and effort to see the beauty of math.

重复别人是一个很好的开始。重复你自己则是一个令人失望的终点。