"I'm not an anarchist any longer, because I've concluded that anarchism is an impractical ideal."

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We must therefore turn to history for enlightenment; here we find that none of the proclaimed anarchist groups correspond to the libertarian position, that even the best of them have unrealistic and socialistic elements in their doctrines. Furthermore, we find that all of the current anarchists are irrational collectivists, and therefore at opposite poles from our position. We must therefore conclude that we are not anarchists, and that those who call us anarchists are not on firm etymological ground, and are being completely unhistorical.

— Murray Rothbard