我们不应当如梦游一般地行事和言语。
We ought not to act and speak as if we were asleep.
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。
The most important thing in trading is to manage risk.
I must study politics and war that my sons may have liberty to study mathematics and philosophy.
对变革的恐惧会扼杀进步，而理解变革能引导进步。
You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.