The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

没有一个社会能够真正繁荣和幸福，其中大多数成员都贫困和痛苦。

In mathematics, you don't understand things. You just get used to them.

我不会成为那种回首往事时说"我本应该那样做"的人。