当年亨利福特生产出便宜、可靠的汽车时，人们说：“不是吧？马车不也跑得挺好嘛？”福特把宝押在汽车上，他最终获得了成功。
When Henry Ford made cheap， reliable cars people said， ‘Nah， what’s wrong with a horse？’ That was a huge bet he made， and it worked.
译文：月亮过了十五后，就逐渐不明亮了，人到了中年之后，做什么事都难以有大作为。赏析：青少年是人生最美好的时期，这个时期精力最旺盛，记忆力最强，也是人生最该努力奋斗的时候。
The boundary between physics and mathematics is not as clear-cut as we might think.