过度捕捞的真正代价是用空荡荡的渔网和破碎的社区来衡量的。

因果框架是科学推理的基础。

A book can be a friend, a teacher, and a doorway to another world.

Friendship is the most precious wealth of life.

永远不要停止学习。当你认为自己无所不知时，就是你失败的时候。

You can tell more about a person by what he says about others than you can by what others say about him.　　

我不是说唱歌手，我是一个格莱美奖得主。