道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。

In mathematics, the art of proposing a question must be held of higher value than solving it.

The ordinary is always political.

"The only way to do great work is to love what you do."

我一直是一个斗士，而且我将永远是一个斗士。