It is a very cheap sort of sentimentality which declares this method of determining the value of labour power, a method prescribed by the very nature of the case, to be a brutal method, and which wails with Rossi that, To comprehend capacity for labour (puissance de travail) at the same time that we make abstraction from the means of subsistence of the labourers during the process of production, is to comprehend a phantom tre de raison).