There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.

最深刻的定理往往源于最简单的观察。

The most successful businesses are those that understand their customers better than anyone else.

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

译文：世俗风气之所以狡诈的人很多，到最后只有忠厚正直的人才能立得住脚；社会风气都以奢侈浮华为上，但最后还是觉得平淡安静的日子才更耐人寻味。赏析：做事就是做人。狡诈的行为虽然可以赢得一时的信任，但最后还是忠厚之人获得永久的尊重。历经人世繁华，方知平淡最真。

"Language is the most powerful tool we have to shape reality."