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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.

Self-education is, I firmly believe, the only kind of education there is.

喜劇是對(duì)悲劇的終極報(bào)復(fù)。