性一而已：自其形体也谓之天，主宰也谓之帝，流行也谓之命，赋于人也谓之性，主于身也谓之心。
译文：性只有一个：从它的形体方面来说叫做天，从它的主宰方面来说叫做帝，从它的流行方面来说叫做命，赋予人叫做性，在人身上起主导作用叫做心。
对认可的渴望是人类最基本的欲望。
"I don't want to just be a singer. I want to be an entertainer."
Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.
"The past is never dead. It's not even past."
We can’t just keep doing things the way we’ve always done them. The world has changed, and so must we.
The relationship between wages and employment is not as straightforward as some models suggest.