回忆这东西若是有气味的话，那就是樟脑的香，甜而稳妥，像记得分明的快乐，甜而怅惘，像忘却了的忧愁。
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
The true value of a forest cannot be measured in board feet alone.
对于已经发生的事，感谢它；对于将要发生的事，说“是”！
记忆是一种成就，甚至是一种更新。
困苦受辱不值得忧虑，而自取困辱才值得忧虑。荣耀利益不是真正的快乐，忘掉荣耀利益才是真正的快乐。
计算复杂性的研究不仅仅是关于问题的分类；它是关于理解计算本身的本质。
The psychologist must be a dispassionate observer.