Karl Marx quote: “Surplus value is exactly equal to surplus labour; the increase of the one [is] exactly measured by the diminution of ne…”

“The development of fixed capital indicates in still another respect the degree of development of wealth generally, or of capital…
The creation of a large quantity of disposable time apart from necessary labour time for society generally and each of its members (i.e. room for the development of the individuals’ full productive forces, hence those of society also), this creation of not-labour time appears in the stage of capital, as of all earlier ones, as not-labour time, free time, for a few. What capital adds is that it increases the surplus labour time of the mass by all the means of art and science, because its wealth consists directly in the appropriation of surplus labour time; since value directly its purpose, not use value. It is thus, despite itself, instrumental in creating the means of social disposable time, in order to reduce labour time for the whole society to a diminishing minimum, and thus to free everyone’s time for their own development. But its tendency always, on the one side, to create disposable time, on the other, to convert it into surplus labour...
The mass of workers must themselves appropriate their own surplus labour. Once they have done so – and disposable time thereby ceases to have an antithetical existence – then, on one side, necessary labour time will be measured by the needs of the social individual, and, on the other, the development of the power of social production will grow so rapidly that, even though production is now calculated for the wealth of all, disposable time will grow for all. For real wealth is the developed productive power of all individuals. The measure of wealth is then not any longer, in any way, labour time, but rather disposable time. Labour time as the measure of value posits wealth itself as founded on poverty, and disposable time as existing in and because of the antithesis to surplus labour time; or, the positing of an individual’s entire time as labour time, and his degradation therefore to mere worker, subsumption under labour. The most developed machinery thus forces the worker to work longer than the savage does, or than he himself did with the simplest, crudest tools.”

Karl Marx book Grundrisse

Grundrisse (1857-1858)
Source: Notebook VII, The Chapter on Capital, pp. 628–629.

“LABOUR, like all other things which are purchased and sold, and which may be increased or diminished in quantity, has its natural and its market price. The natural price of labour is that price which is necessary to enable the labourers, on with another, to subsist and to perpetuate their race, without either increase or diminution.”

David Ricardo (1772–1823) British political economist, broker and politician

Source: The Principles of Political Economy and Taxation (1821) (Third Edition), Chapter V, On Wages, p. 52

“For real wealth is the developed productive power of all individuals. The measure of wealth is then not any longer, in any way, labour time, but rather disposable time. Labour time as the measure of value posits wealth itself as founded on poverty, and disposable time as existing in and because of the antithesis to surplus labour time; or, the positing of an individual’s entire time as labour time, and his degradation therefore to mere worker, subsumption under labour. The most developed machinery thus forces the worker to work longer than the savage does, or than he himself did with the simplest, crudest tools.”

Karl Marx book Grundrisse

Notebook VII, The Chapter on Capital, pp. 628–629.
Grundrisse (1857/58)
Context: The development of fixed capital indicates in still another respect the degree of development of wealth generally, or of capital…
The creation of a large quantity of disposable time apart from necessary labour time for society generally and each of its members (i. e. room for the development of the individuals’ full productive forces, hence those of society also), this creation of not-labour time appears in the stage of capital, as of all earlier ones, as not-labour time, free time, for a few. What capital adds is that it increases the surplus labour time of the mass by all the means of art and science, because its wealth consists directly in the appropriation of surplus labour time; since value directly its purpose, not use value. It is thus, despite itself, instrumental in creating the means of social disposable time, in order to reduce labour time for the whole society to a diminishing minimum, and thus to free everyone’s time for their own development. But its tendency always, on the one side, to create disposable time, on the other, to convert it into surplus labour...
The mass of workers must themselves appropriate their own surplus labour. Once they have done so – and disposable time thereby ceases to have an antithetical existence – then, on one side, necessary labour time will be measured by the needs of the social individual, and, on the other, the development of the power of social production will grow so rapidly that, even though production is now calculated for the wealth of all, disposable time will grow for all. For real wealth is the developed productive power of all individuals. The measure of wealth is then not any longer, in any way, labour time, but rather disposable time. Labour time as the measure of value posits wealth itself as founded on poverty, and disposable time as existing in and because of the antithesis to surplus labour time; or, the positing of an individual’s entire time as labour time, and his degradation therefore to mere worker, subsumption under labour. The most developed machinery thus forces the worker to work longer than the savage does, or than he himself did with the simplest, crudest tools.

“Labour, therefore, is the real measure of the exchangeable value of all commodities”

Adam Smith (1723–1790) Scottish moral philosopher and political economist

Source: The Wealth of Nations (1776), Book I, Chapter V.
Context: Every man is rich or poor according to the degree in which he can afford to enjoy the necessaries, conveniences, and amusements of human life. But after the division of labour has once thoroughly taken place, it is but a very small part of these with which a man's own labour can supply him. The far greater part of them he must derive from the labour of other people, and he must be rich or poor according to the quantity of that labour which he can command, or which he can afford to purchase. The value of any commodity, therefore, to the person who possesses it, and who means not to use or consume it himself, but to exchange it for other commodities, is equal to the quantity of labour which it enables him to purchase or command. Labour, therefore, is the real measure of the exchangeable value of all commodities.

“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.”

Karl Marx (1818–1883) German philosopher, economist, sociologist, journalist and revolutionary socialist

Grundrisse (1857-1858)
Source: Notebook IV, The Chapter on Capital, p. 308.

“The annual produce of the land and labour of any nation can be increased in its value by no other means, but by increasing either the number of its productive labourers, or the productive powers of those labourers who had before been employed.”

Adam Smith (1723–1790) Scottish moral philosopher and political economist

Source: (1776), Book II, Chapter III, p. 377.

“The physiocrats started a train of thought which was a powerful stimulus to the development of a labour theory of value and surplus value. They did not, however develop such a theory of value themselves. What attention they gave to the problem of exchange-value and price produced results of an altogether different character. Thus while one of their contributions finds its continuation in Smith, Ricardo, and Marx, the other leads to the post-classical supply and demand and utility theories of value.”

Eric Roll, Baron Roll of Ipsden (1907–2005) British economist

Source: A History of Economic Thought (1939), Chapter III, The Founders Of Political Economy, p. 135

“When I started to encounter Marxism at 16, the elementary truths of the surplus value theory and more than anything else, the logical argument that he produced that labour was the source of all wealth, gave me a political and intellectual justification for what I believed in a way that nothing else did.”

Neil Kinnock (1942) British politician

Shadow Secretary of State for Education and Science
Source: Interview with Sam Aaronovitch for Marxism Today (June 1983) http://banmarchive.org.uk/collections/mt/pdf/83_06_06.pdf

“Just as economic pressure from the base … is able to modify the production of surplus value, so pressure grounded in spatial practice is alone capable of modifying the apportionment of that surplus value — i. e. the distribution of the portion of social surplus production allotted to society's collective 'interests', to so-called social services. Such grass-roots pressure, if it is to be effective in this regard, cannot be confined to attacking the state qua guardian of the 'general interest'. For this state, born of the hegemony of a class, has as one of its functions — and a more and more significant function — the organization of space, the regularization of its flows, the control of its networks. It devotes to these purposes a considerable part of global surplus value, of the surplus production assigned to the running of society.”

Henri Lefebvre (1901–1991) French philosopher

Henri Lefebvre (1974) The Production of Space. Translated to English in 1991 by Donald Nicholson-Smith; As cited in: "Henri Lefebvre on Governance and Space" on thepolisblog.org 2012.10
Other quotes

“In England women are still occasionally used instead of horses for hauling canal boats, because the labour required to produce horses and machines is an accurately known quantity, while that required to maintain the women of the surplus population is below all calculation.”

Karl Marx (1818–1883) German philosopher, economist, sociologist, journalist and revolutionary socialist

Vol. I, Ch. 15, Section 2, pg. 430.
(Buch I) (1867)

“Surplus value is exactly equal to surplus labour; the increase of the one [is] exactly measured by the diminution of necessary labour.”

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