自私基因理论并不是关于日常意义上的自私的理论。它是关于行为进化的理论。
置身于是非之外,评断是非才能客观;置身于利害之外,才能看清利害的变化。
In mathematics, the art of proposing a question must be held of higher value than solving it.
There are more important things in life than winning or losing a game.