The key is to stay focused on your own path.
每一本书都是一种旅程，每一次旅程都会改变你。
Life is like a ten-speed bicycle...Most of us have gears we never use!.
过去从未死去，它甚至还未过去。
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 true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.