“ A use-value, or useful article, therefore, has value only because abstract human labour is objectified or materialized in it. How, then, is the magnitude of this value to be measured? By means of the… Karl Marx
“ A use-value, or useful article, therefore, has value only because abstract human labour is objectified or materialized in it. How, then, is the magnitude of value to be measured? By means of the quant… Karl Marx
“ As exchange-values, all commodities are merely definite quantities of congealed labour-time. Karl Marx
“ 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. Karl Marx