In a free system any large, popular, revolutionary movement should be able to bring about its ends by such a voluntary process. As more and more people see how it works more and more will wish to participate in or support it. And so it will grow, without being necessary to force everyone or a majority or anyone into the pattern.

Ch. 10 : A Framework for Utopia; Utopian Means and Ends, p. 327 - Anarchy, State, and Utopia (1974)