最激动人心的发现往往来自于质疑其他人认为理所当然的事情。

To be lost is to be open to discovery.

A proof is a device for convincing someone else that a mathematical statement is true.

没有所谓的幸福结局。

未来不是礼物。它是一种成就。

I've learned that you can't have everything and do everything at the same time.

真正的幸福始于理解自己想要什么，应该做什么。

总意志总是正确的，但指导它的判断并不总是明智的。