The best way to learn is by doing.

可持续捕捞不是一种选择——如果我们希望这个行业生存下去，这是唯一的前进道路。

The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.

Credit market discrimination makes the poor pay higher interest.

文学是人类自我审视的镜子。

"Every man's life is a fairy tale written by God's fingers."

解释：齐国是强国，利用它的强大进攻宋国，让他逞强，燕国就可以乘机打败齐国；齐国是大国，利用它的大国野心吞并宋国，增加土地，燕国就可以乘机进攻。