And of all illumination which human reason can give, none is comparable to the discovery of what we are, our nature, our obligations, what happiness we are capable of, and what are the means of attaining it.
If the Great Way perishes there will morality and duty. When cleverness and knowledge arise great lies will flourish. When relatives fall out with one another there will be filial duty and love. When states are in confusion there will be faithful servants.
It is easy enough to be friendly to one's friends. But to befriend the one who regards himself as your enemy is the quintessence of true religion. The other is mere business.