If you say that you reject violence when it exceeds the limits imposed by the needs of defense, they accuse you of pacifism, without understanding that violence is the whole essence of authoritarianism, just as the repudiation of violence is the whole essence of anarchism.

"Anarchism, Authoritarian Socialism and Communism" in Fede (28 October 1923); also in What Is Anarchism? : An Introduction edited by Donald Rooum (1992, 1995) p. 59