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.

每一本书都是一次旅程，每一页都是向未知迈进的一步。

解释：诚信，是国家的根基，是保护大众赖以生存的根本。