17. Why are not beauty, goodness and the virtues, together with knowledge and intelligence, included among the primary genera? If by goodness we mean The First- what we call the Principle of Goodness, the Principle of which we can predicate nothing, giving it this name only because we have no other means of indicating it- then goodness, clearly, can be the genus of nothing: this principle is not affirmed of other things; if it were, each of these would be Goodness itself.