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Dean Kenning

Chapter 1: The Commodity

Page 129

What exclusively determines the magnitude of the value of any article is therefore the amount of labour socially necessary, or the labour-time socially necessary for its production [...] Commodities which contain equal quantities of labour, or which can be produced in the same time, have therefore the same value [...]
If man succeeded, without much labour, in transforming carbon into diamonds, their value might fall below that of bricks.