As a beast of toil an ox is fixed capital. If he is eaten, he no longer functions as an instrument of labour, nor as fixed capital either.

In capitalist society spare time is acquired for one class by converting the whole life-time of the masses into labour-time.

As the chosen people bore in their features the sign manual of Jehovah, so the division of labour brands the manufacturing workman as the property of capital.

An increase in the productivity of labour means nothing more than that the same capital creates the same value with less labour, or that less labour creates the same product with more capital.

The circulation of capital realizes value , while living labour creates value.

The progressive historical role of capitalism may be summed up in two brief propositions: increase in the productive forces of social labour, and the socialisation of that labour. But both these facts manifest themselves in extremely diverse processes in different branches of the national economy.