Communism is Utopia, that is nowhere. It is the avatar of all our religious eschatologies: the coming of the Messiah, the second coming of Christ, nirvana. It is not a historical prospect, but a current mythology. Socialism, by contrast, is a realizable historical system which may one day be instituted in the world.
Immanuel WallersteinIt is historically the case that virtually every new zone incorporated into the world-economy established levels of real remuneration which were at the bottom of the world-system's hierarchy of wage-levels.
Immanuel Wallerstein