食物的真正成本不仅是你商店里支付的，更是地球长期付出的代价。

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.

"The only thing that is infinite is the universe and human stupidity."

一个人的好名声不是轻而易举就能够得到的；名誉也不是靠欺诈伪装的手段来赢得的。