"Do you think nobody would willingly entrust his children to you or pay you for teaching them? Why do you have to extort your fees and collect your pupils by compulsion?"

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If the state, with all of the emotional resources at its command, cannot finance its most basic and vital activities without resort to compulsion, it would seem that large private organizations might also have difficulty in getting the individuals in the groups whose interests they attempt to advance to make the necessary contributions voluntarily.

— Mancur Olson