The secret to success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

刚的东西容易折断，柔的东西因为可以卷曲所以不易折断。

The greatest enemy of a good plan is the dream of a perfect plan.

每本书都是作者与读者之间的对话。