The farmer is the only man in our economy who has to buy everything at retail, sell everything at wholesale, and pay the freight both ways.
农民是我们经济中唯一必须以零售价购买一切，以批发价出售一切，并支付双向运费的人。
"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."
The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.
成功不在于终点，而在于旅程以及你一路所学到的东西。