But these speak evil of those things which they know not: but what they know naturally, as brute beasts, in those things they corrupt themselves.
All Commentaries on Jude 1:10 Go To Jude 1
Clement Of Alexandria
AD 215
He means that they eat, and drink, and indulge in uncleanness, and says that they do other things that are common to them with animals, devoid of reason.