Hippolytus

“ But, reminding the reader of those whom we especially ought—who are deserving of mention from their fame, and from being, so to speak, the leaders to those who have subsequently framed systems of philosophy, and from their supplying them with a starting-point towards such undertakings—let us hasten on our investigations towards what remains for consideration. ”

“ And with regard to animals, he affirms that the earth, being originally fire in its lower part, where the heat and cold were intermingled, both the rest of animals made their appearance, numerous and dissimilar, [2] all having the same food, being nourished from mud; and their existence was of short duration, but afterwards also generation from one another arose unto them; and men were separated from the rest (of the animal creation) , and they appointed rulers, and laws, and arts, and cities, and the rest. And he asserts that mind is innate in all animals alike ”