译文：学习贵在实践，而非空知;贵在有用于世，而非无用之学。反对空谈，提倡经世致用。

We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born.

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.

想象世界末日比想象资本主义的终结更容易。

我不会让世界告诉我我是谁。

重要的不是拥有你想要的，而是珍惜你已拥有的。