农民是我们经济中唯一以零售价购买一切、以批发价出售一切，并双向支付运费的人。
The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.
唯一真正的发现之旅不是去陌生的地方，而是拥有另一双眼睛。
Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
The writer’s task is to illuminate the darkness.
The truth is rarely pure and never simple.