行为主义者问：为什么我们不把可观察的东西作为心理学的真正领域？

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.

知识只有在应用时才有用。

一辈子不要做对不起人的事，世上就不会有恨自己的人。

The light of truth will eventually pierce the darkness.

世界上充满了神奇的事物，耐心地等待着我们的智慧变得更加敏锐。

A word after a word after a word is power.

记忆是我们以为已经忘记的东西；也是我们以为会记住的东西。