“The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.”

Addenda, "Relative and Absolute Surplus Value" in Economic Manuscripts (1861-63)

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Karl Marx290

German philosopher, economist, sociologist, journalist and … 1818–1883

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“Labor is a commodity, like any other, and its price is therefore determined by exactly the same laws that apply to other commodities. In a regime of big industry or of free competition – as we shall see, the two come to the same thing – the price of a commodity is, on the average, always equal to its cost of production. Hence, the price of labor is also equal to the cost of production of labor. But, the costs of production of labor consist of precisely the quantity of means of subsistence necessary to enable the worker to continue working, and to prevent the working class from dying out. The worker will therefore get no more for his labor than is necessary for this purpose; the price of labor, or the wage, will, in other words, be the lowest, the minimum, required for the maintenance of life.”

Friedrich Engels (1820–1895) German social scientist, author, political theorist, and philosopher

(1847)

“The term division of labor has, from long usage, become associated in the public mind with manual processes. But productive labor is, in general, both manual and mental and just as there may be division of manual labor so there may be division of mental labor or division of thought. Modern productive methods tend constantly to separate mental labor from manual labor and then to subdivide each into smaller and smaller parts. The subdivision of manual labor is greatly furthered, as has been seen, by the extended use of tools. Subdivision of mental labor on the other hand is hastened by an increase in the amount of knowledge and mental development necessary to successfully perform the work in hand. Thus the mental labor of designing machinery is performed largely apart from the actual production; and this mental labor has become very closely specialized as the scientific basis of engineering has grown. This process of subdivision is greatly hastened in both manual and mental operations by increased quantity since this, of itself, enables the manager to avail himself of the inherent advantages of division of labor already discussed.”

Dexter S. Kimball (1865–1952) American engineer

Source: Principles of industrial organization, 1913, p. 48

“All wealth is the product of labor.”

John Locke (1632–1704) English philosopher and physician

“In faxt, the old Marxist distinctions between productive and unproductive labor, as well as that between productive and reproductive labor, which were always dubious, should now be completely thrown out.”

Antonio Negri book Multitude: War and Democracy in the Age of Empire

135
Multitude: War and Democracy in the Age of Empire

“Private ownership, originally a means to give everybody the possibility of productive work, now has turned into the means to prevent the workers from the free use of the instruments of production. Originally a means to ascertain to the workers the fruits of their labor, it now turned into a means to deprive the workers of the fruits of their labor for the benefit of a class of useless parasites.”

Antonie Pannekoek (1873–1960) Dutch astronomer and Marxist theorist

Sections 1.2, "Law & Property"
Workers Councils (1947)

“this is not to say, we repeat, that the conditions of labor and production are becoming the same throughout the world or throughout the different sectors ot the economy. The claim is rather is that many singular instances of labor processes, productive conditions, local situations, and lived experiences coexist with a "becoming common", at a different level of abstraction, of the forms of labor and the general relations of production and exchange - and that there is no contradiction between this singularity and commonality.”

Antonio Negri book Multitude: War and Democracy in the Age of Empire

114
Multitude: War and Democracy in the Age of Empire

“conventional terms such as service work, intellectual labor, and cognitive labor all refer to aspects of immaterial labor, but none of them captures its generality. As an initial approach, one can concieve immaterial labor in two principle forms. The first for refers to labor, that is primarily intellectual or linguistic such as problem solving, symbolic and analytical tasks, and linguistic expressions. This kind of immaterial labor produces ideas, symbols, codes, texts, linguistic figures, images and other such products. We call the other principle form of immaterial labor "affective labor."”

Antonio Negri book Multitude: War and Democracy in the Age of Empire

Affective labor, then, is labor that produces or manipulates affects such as a feeling of ease, well-being, satisfaction, excitement, or passion.
108
Multitude: War and Democracy in the Age of Empire

“Immaterial labor has become hegemonic in qualitative terms and has imposed a tendency on other forms of labor and society itself. Immaterial labor, in other words, is today in the same position that industrial labor was 150 years ago, when it accounted for only a small fraction of global production and was concentrated in a small part of the world but nonetheless exerted hegemony over all other forms of production. Just as in that pgase all forms of labor and society itself had to industrialize, today, labor and society have to informationalize, become intelligent, become communicative, become affective.”

Antonio Negri book Multitude: War and Democracy in the Age of Empire

109
Multitude: War and Democracy in the Age of Empire

“As a result of this continuous improvement of productivity through the division of labor and technical advancement, one hour's labor today is worth about 25 times more than it was in the mid-19th century […. ] Growth and productivity alone are capable of raising real wages in the long run.”

Johan Norberg book In Defense of Global Capitalism

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“By bourgeoisie is meant the class of modern capitalists, owners of the means of social production and employers of wage labor. By proletariat, the class of modern wage laborers who, having no means of production of their own, are reduced to selling their labor power in order to live.”

Friedrich Engels book The Communist Manifesto

The Communist Manifesto, footnote (1888 edition)

“The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.”

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Karl Marx290

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