In the domain of Political Economy, free scientific inquiry meets not merely the same enemies as in all other domains. The peculiar nature of the material it deals with, summons as foes into the field of battle the most violent, mean and malignant passions of the human breast, the Furies of private interest.
Karl MarxAs individuals express their life, so they are. What they are, therefore, coincides with their production, both with what they produce and with how they produce. The nature of individuals thus depends on the material conditions determining their production.
Karl MarxThe philosophers have only interpreted the world, in various ways: the point, however, is to change it.
Karl MarxThe state is based on this contradiction. It is based on the contradiction between public and private life, between universal and particular interests. For this reason, the state must confine itself to formal, negative activities.
Karl Marx