The division of labor in manufacturing is the great principle by which we gain advantage over other nations.
你不必总是和别人在一起才能快乐。你可以独自快乐。
所以,在收成好的年头,百姓就仁义善良;遇到荒年,那么百姓也会吝啬而凶恶。
You have to be willing to step out of your comfort zone to grow.