解析：吃粗粮，喝清水，弯起胳膊当枕头，这其中也有着乐趣。

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.