Of God and His Creatures

The celebrated saying about the mas accidentatus occurs in Aristotle, De gen. animal. B. II, iii, 18, to gar theˆlu hôsper arren esti pepêrômenon. St Thomas seems to have had it in mind here to repudiate it. Whatever is 'intended by nature' is per se and not per accidens.

Of God and His Creatures: 4.88