I mean, since there is, as it seems, a part of the soul whereby we are nourished, which we call nutritive (for it is reasonable to suppose that this exists; at all events we see that stones are incapable of being nourished, so that it is evident that to be nourished is a property of living things; and, if so, the soul will be the cause of it; but none of these parts of the soul will be the cause of nourishment, to wit, the rational or spirited or appetitive, but something else besides these, to which we can apply no more appropriate name than 'nutritive'), one might say, 'Very well, has this part of the soul also an excellence?