The American farmer is the only man in our economy who has to buy everything he buys at retail, sell everything he sells at wholesale, and pay the freight both ways.

译文：人生就像江河里的一叶小舟，富贵功名都是过眼云烟。

当天赋不努力时，勤奋会战胜天赋。

The computer reminds one of Lon Chaney -- it is the machine of a thousand faces.

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

Happiness is not the absence of suffering, but the ability to overcome it.

物理学的美丽在于它能够用几个简单的方程来描述宇宙。