“Empirically, communism is only possible as the act of the dominant peoples ‘all at once’ and simultaneously, which presupposes the universal development of productive forces and the world intercourse bound up with communism.”

Marx, The German Ideology

“How, then, prior to all science, can the doctrine of elements make statements about the object domain of science as such, if we only obtain information about this domain through science?”

Habermas, Knowledge and Human Interests