自由是在法律允许范围内做任何事的权利。

I'm not perfect, but I'm trying.

一个好的数学问题的定义是它产生的数学，而不是问题本身。

I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.

写作是我无声呐喊的方式。

写作没什么诀窍。你只需坐在打字机前流血。