给定系统中的酸和碱不是绝对的，而是相互关联的。

我认为生活中最重要的事情是忠于自己。

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.

史记

很多智商高的人都是糟糕的投资者，因为他们的性格太糟糕了。