Hilary of Poitiers

It may be said, that under the name of birds, He exhorts us by the example of the unclean spirits, to whom, without any trouble of their own in seeking and collecting it, provision of life is given by the power of the Eternal Wisdom. And to lead us to refer this to the unclean spirits, He suitably adds, Are not ye of much more value than they? Thus shewing the great interval between piety and wickedness.