【译文】古人学习的人是为了提高自己，现在学习的人是为了炫耀给别人看。

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

"We are all the sum of our contradictions - that's what makes biography so fascinating."

To write is to create a world within a world.

爱自己是终身浪漫的开始。