The biggest regret in life is giving up what should not be given up easily, and stubbornly persisting in what should not be persisted.

"We are all just walking each other home."

To understand mathematics is to speak the language of the universe.

重要的是旅程，而非到达。

国与国之间是平等的，人与人之间也是平等的，在人格与尊严上是没有贵贱之分的，上天对所有人都是一视同仁的，人生而平等是上天赋予每个人的不可被侵犯的权利。