曾子说:“我每天都要多次提醒自己:工作是否敬业?交友是否守信?知识是否用于实践?”
"The mind evolves to meet practical demands."
悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
The behaviorist asks: Why don't we make what we can observe the real field of psychology?
It was beautiful and simple as all truly great swindles are.