there will not be one concerned with the good of all animals (any more than there is one art of medicine for all existing things), but a different philosophic wisdom about the good of each species.
Eta gizakia animalia guztietan hobezina dela onartuta ere, egoera ez da ezertan aldatuko, euren naturari dagokionez beste gauza batzuk gizakiak baino askoz ere (1141b) jainkotiarragoak direnak baitaude;