Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

神经症是无法忍受模糊性。

最高的奖赏来自于那些人们还不知道叫什么的东西。如果可以的话，去做那些人们还不知道怎么描述的工作。

It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.

人性本善，社会使其败坏。