The art of doing mathematics consists in finding that special case which contains all the germs of generality.

It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

在夜的寂静中，文字找到了通往灵魂的路。

I am not interested in what is called success. I am interested in the process of achieving it.