生活不是一个人所过的日子，而是他所记住的日子以及为了讲述它们而记住的方式。

You don’t have to be great to start, but you have to start to be great.

The property which every man has in his own labor， as it is the original foundation of all other property， so it is the most sacred and inviolable.

埃尔德什差异问题让我着迷，因为它陈述起来如此简单，但含义却如此深刻。