心理学研究的重点不是心灵是什么，而是心灵做什么。

在量子力学中，轨迹的概念失去了意义。

Were it left to me to decide whether we should have a government without newspapers, or newspapers without a government, I should not hesitate a moment to prefer the latter.

我比以往任何时候都站得更稳。看起来像个真正的幸存者，感觉像个小孩。