Can a man still be brave if he’s afraid. That is the only time a man can be brave.
科学是关于后果的知识,以及一个事实对另一个事实的依赖。
君子不用水来当镜子,而是拿别人来当镜子。用水当镜子可以看到的是容貌,用人当镜子则可以知道吉凶对错。
The farmer is the only man in our economy who has to buy everything at retail, sell everything at wholesale, and pay the freight both ways.