While, therefore, with reference to use-value, the labour contained in a commodity counts only qualitatively, with reference to value it counts only quantitatively, once it has been reduced to human labour pure and simple.

Finally, some of them (especially from among the psychologists) even admitted the possibility that he had indeed not looked into the purse and therefore did not know what was in it, and thus, without knowing, had gone and put it under the stone, but from this they concluded at once that the crime itself could not have occurred otherwise than in some sort of temporary insanity, including, so to speak, a morbid monomania of murder and robbery, with no further aim or calculation of profit.