我知道，有个道理你们已经听过成千上万次了。但那是真的：艰辛的工作带来回报。如果你希望好起来，你就必须练习、练习，再练习。

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.

The same principles that at first lead to skepticism pursued to a certain point ends in religion.

"Every saint has a past, and every sinner has a future."

The teacher must believe in the potential of his students. He must see in each one of them a spark of the divine fire.

The best way to learn mathematics is to do mathematics.

我唯一感兴趣的艺术是能改变人们看待世界方式的艺术。

Greatness is not a skill, it's an attitude.

心灵是一个连续的事件流。