The only limit to our realization of tomorrow will be our doubts of today.
我不是榜样，我只是个在摸索的人。
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.
