The state has been living on a revenue which was being produced in the private sphere for private purposes and had to be deflected from these purposes by political force. The theory that construes taxes on the analogy of club dues or of the purchase of the services of, say, a doctor only proves how far removed this part of the social sciences is from scientific habits of mind.
Joseph A. SchumpeterFor the duration of its collective life, or the time during which its identity may be assumed, each class resembles a hotel or an omnibus, always full, but always of different people.
Joseph A. SchumpeterRecognition of the inevitability of comprehensive bureaucratization does not solve the problems that arise out of it.
Joseph A. Schumpeter