"The most important thing is to enjoy your life—to be happy—it's all that matters."

The general will is always right， but the judgment which guides it is not always enlightened.

我相信人类不仅会生存下去，他终将胜利。他是不朽的，不是因为他在生物中拥有永不枯竭的声音，而是因为他有灵魂，有能够同情、牺牲和忍耐的精神。

数学的美在于它揭示隐藏的对称性和真理的能力。