免疫系统就像一把双刃剑；它可以对抗癌症，但也需要被控制。

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.

写作是理解世界的一种方式。

I would rather go mad than feel pleasure.

成功的真正标准是让土地比我们发现时更好。

I suppose when they reach a certain age some men are afraid to grow up. It seems the older the men get, the younger their new wives get.

Psychology must look at the utility of consciousness.