The beauty of mathematics only shows itself to more patient followers.

"Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

最大的幸福是知道不幸的根源。

压制意见表达的特殊罪恶在于它是在剥夺人类，无论是后代还是现存的这一代；那些与这一意见不同的人，比那些持有这一意见的人更多。

真正的诗歌源于痛苦和欢乐。

我教育孩子们要独立——就像我自己一样。