The root of our psychological weakness was this: We socialists have never examined the problems of nations. The International was never concerned with it. The International is dead, paralyzed by events. Ten million proletarians are today on the battlefield.
As quoted in The Myth of the Nation and the Vision of Revolution, J.L. Talmon, University of California Press (1981) p. 492. Original source: Mussolini, Opera Omnia VI, p. 427, 1914