To look at a thing is very different from seeing a thing. One does not see anything until one sees its beauty. Then and then only, does it come into existence.

Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.

The most important thing in mathematics is to ask the right questions.

在私利面前能够想到道义，遇到危难能够挺身而出，虽然长期生活在贫困之中，也没有忘记平生的诺言，这样就可以说是一个十全十美的人了。

Bread is the simplest form of food, yet it holds the most complexity.