买本家乡或区域的最新版旅游指南。像游客一样去了解（熟悉的环境）信息，你会学到很多东西。
Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.
数学的本质在于它的自由。
Information is the key to the functioning of markets, and the lack of it can lead to market failures.
"The greatest glory in living lies not in never falling, but in rising every time we fall."
今天种下的每一棵树都是对明天的承诺。
你无法控制发生在你身上的事情，但你可以控制你如何回应。
必须要活得很深刻，才能找到真相。