Hegel remarks somewhere that all great, world-historical facts and personages occur, as it were, twice. He has forgotten to add: the first time as tragedy, the second as farce.

When the labourer co-operates systematically with others, he strips off the fetters of his individuality, and develops the capabilities of his species.

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

The consciousness of the past weighs like a nightmare on the brain of the living.

The Communists have no need to introduce free love; it has existed almost from time immemorial.

Social reforms are never carried out by the weakness of the strong; but always by the strength of the weak.

The capitalist mode of production and accumulation, and therefore capitalist private property, have for their fundamental condition the annihilation of self-earned private property: in other words, the expropriation of the labourer.