数学家是将咖啡转化为定理的装置。
Do what you can, with what you have, where you are.
作家的生活是一种痴迷的生活。
The best way to predict the future is to create it.
发散级数是魔鬼的发明,基于它们的任何证明都是一种耻辱。
To be happy, I must have my books and a piece of sky.