我们都只是路过，像雪地上的脚印一样留下自己的痕迹。

人生的意义在于追求真理和美德。

"One must be an inventor to read well. There is then creative reading as well as creative writing."

Diplomacy is to make your enemy your friend, not to make your friend your enemy.

如果你没有敌人，那你就已经死了。

The beauty of mathematics lies in its simplicity and depth.