"World revolution has been so powerfully stimulated and accelerated by the horrors, vileness and abominations of the world imperialist war and by the hopelessness of the situation created by it, this revolution is developing in scope and depth with such splendid rapidity, with such a wonderful variety of changing forms, with such an instructive practical refutation of all doctrinairism, that there is every reason to hope for a rapid and complete recovery of the international communist movement from the infantile disorder of "Left-wing" communism."