当我们的知识之圆扩大之时，我们所面临的未知的圆周也一样。

做出伟大工作的唯一方法就是热爱你所做的事情。

"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

The past is a foreign country; they do things differently there.

现实总是比小说更丰富、更复杂。

没有正义的自由是暴政。