美国农民是我们经济中唯一必须以零售价购买所需一切，以批发价出售所产一切，并支付双向运费的人。
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.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
我本来可以征服整个世界的。
The way we treat ourselves sets the standard for how others will treat us.
宁静的灵魂比烦乱的灵魂更为智慧。
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.