It may be added that in the case of emotional pains and pleasures, the notion of quantitative difference between the cerebral nerve-processes, antecedent respectively to the one and the other, seems altogether unwarrantable: the pains of shame, disappointed ambition, wounded love, do not appear to be distinguishable from the pleasures of fame, success, reciprocated affection, by any difference of intensity in the impressions or ideas accompanied by the pleasures and pains respectively.