除非一个人绝对诚实地问自己在类似情况下是否可能做出同样的事，否则他不应评判他人。

Profit without purpose is ultimately unsustainable.

The secret of all effective advertising is not the creation of new and tricky words and pictures, but one of putting familiar words and pictures into new relationships.

我只知道自己一无所知。

好书是能改变你的书。