纠正一个错误与建立一个新的真理或事实同样有益，有时甚至更好。
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.
道德情操论是政治经济学理论的基础。
一个人愈没有值得自夸之处，就愈容易夸耀自己的国家、宗教、种族或他参与的神圣事业。