在数学中,你并不理解事物。你只是习惯了它们。
Every thought is a step in the dance of adaptation.
我们必须挑战现状,并不断寻求更好的做事方式。
我们都是自己的幽灵,徘徊在我们曾经生活过的地方。
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.