The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

The greatest act of rebellion is to be yourself in a world that is constantly trying to make you something else.

我旅行得越多，就越确信世界充满了奇迹，而人类只是大自然浩瀚中的一粒尘埃。

语言是人类拥有的最强大的武器。

I don’t let mistakes define me, I let them refine me.

不学习历史的人注定要重复错误。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.