作为人类就是有缺陷的，但也意味着有能力进行巨大的改变。
To be human is to be flawed, but it is also to be capable of great change.
我是我在这世上唯一应当透彻了解的人，但我怎么看都觉得不可能。
A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.
不要害怕为你相信的东西独自站立。
心灵是自己的地方，在那里可以把地狱变成天堂，把天堂变成地狱。
One never reaches home, but wherever friendly paths intersect the whole world looks like home for a time.