The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

世界是一面镜子，反映出我们带给它的东西。

数学中最深刻的问题往往源于最简单的问题。

医学的未来在于理解看不见的东西——病毒、基因以及塑造健康的无形力量。

You want a piece of me?

我不能让生命就此消逝无踪，重头再来。

Talent is important, but without hard work, it means nothing.