Letter 124 — On the True Good as Attained by Reason (§18)

“Therefore the Good of a perfect nature cannot exist in an imperfect nature; for if the latter sort of nature should possess the Good, so also would mere vegetation. I do not indeed deny that dumb animals have strong and swift impulses toward actions which seem according to nature, but such impulses are confused and disordered. The Good however, is never confused or disordered.”