The test of a man or woman's breeding is how they behave in a quarrel.

The beauty of mathematics lies in its ability to describe the universe in the most elegant and concise way.

The history of the world is the history of the few.

柏拉图是我的朋友，亚里士多德是我的朋友，但我最伟大的朋友是真理。

To do mathematics is to explore a universe of ideas, where the only limit is your imagination.

阅读是不动身旅行，是在一生中活上千次。

一切都是美好的，没有任何伤害。