"Whatever an author puts between the two covers of his book is public property; whatever of himself he does not put there is his private property, as much as if he had never written a word."

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Christ represents originally: 1) men before God; 2) God for men; 3) men to man. Similarly, money represents originally, in accordance with the idea of money: 1) private property for private property; 2) society for private property; 3) private property for society. But Christ is alienated God and alienated man. God has value only insofar as he represents Christ, and man has value only insofar as he represents Christ. It is the same with money.

— Karl Marx