"I am not interested in the psychology of characters, but in the psychology of situations."

The greatest scientists are the ones who never stop learning.

逻辑学研究不仅仅是关于形式系统，更是关于理解人类推理的本质。

幸福不是你为未来推迟的东西；它是你为现在设计的东西。

One of the great mistakes is to judge policies and programs by their intentions rather than their results.

未来的逐渐取消伴随着期望的萎缩。