For each new class which puts itself in the place of one ruling before it, is compelled, merely in order to carry through its aim, to represent its i… - Karl Marx

It is not enough that the conditions of labour are concentrated at one pole of society in the shape of capital, while at the other pole are grouped masses of men who have nothing to sell but their labour-power. Nor is it enough that they are compelled to sell themselves voluntarily. The advance of capitalist production develops a working class which by education, tradition and habit looks upon the requirements of that mode of production as self-evident natural laws. The organization of the capitalist process of production, once it is fully developed, breaks down all resistance.

If this labourer were in possession of his own means of production, and was satisfied to live as a labourer, he need not work beyond beyond the time necessary for the reproduction of his means of subsistence, say 8 hours a day.

A circuit performed by a capital and meant to be a periodical process, not an individual act, is called its turnover. The duration of this turnover is determined by the sum of its time of production and its time of circulation.