Without Socialism the working class is a heterogeneous mixture of different categories, some of which have independent, varying interests, sometimes opposed to each other.
Karl RadekThe mass of workers, as yet non-Socialist, is retarded in its development towards Socialism.
Karl RadekThe Social-Democratic Federation took part in all the political and economic struggles of the English working class; it took pains to bring Socialist views home to them, not only through agitation and propaganda, but also by actions.
Karl Radek