在物理学中，我们经常发现最美丽的解决方案来自于最混乱的问题。

There is a time for daring,and there is a time for caution, and a wise man understanding which is called for

在变革时期，学习者将继承地球，而学富五车的人会发现自己装备精良，却面对一个不复存在的世界。

In mathematics, the art of proposing a question must be held of higher value than solving it.

There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.