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

The best way to learn something is to teach it.

在一个无意义的世界里，追求快乐是唯一有意义的活动。

The only limit to our realization of tomorrow will be our doubts of today.

唯一能阻止你的人是你自己。

文学应该是社会的一根刺

在数学中，就像在生活中一样，最优雅的解决方案往往来自于对问题的深刻理解。