Some people are busy dying, others are busy living.
有的人忙着死,有的则人忙着活。
数学的美在于它揭示隐藏的对称性和真理的能力。
The most dangerous art is the kind that makes you think.
Education: the path from cocky ignorance to miserable uncertainty.
我们都是自己记忆的囚徒。
The past is never dead. It's not even past.
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。