As in private life one differentiates between what a man thinks and says of himself and what he really is and does, so in historical struggles one must still more distinguish the language and the imaginary aspirations of parties from their real organism and their real interests, their conception of themselves from their reality.

Men make their own history but not in circumstances of their own choosing.

A heavy or progressive or graduated income tax is necessary for the proper development of Communism.

Money degrades all the gods of man and converts them into commodities.

The criticism of Religion is the beginning of all criticism

Nothing is more tedious than the dreaming platitude.

Workers of the world unite; you have nothing to lose but your chains.