The theory of Communism may be summed up in the single sentence: Abolition of private property. - Karl Marx

For capitalism is abolished root and branch by the bare assumption that it is personal consumption and not enrichment that works as the compelling motive.

All pursuit of commodity production becomes at the same time pursuit of the exploitation of labour-power; but only capitalist commodity production is an epoch-making mode of exploitation, which in the course of its historical development revolutionizes the entire economic structure of society by its organization of the labour process and its gigantic extension of technique, and towers incomparably above all earlier epochs.

An organised system of machines, to which motion is communicated by the transmitting mechanism from a central automation, is the most developed form of production by machinery.