Joseph Benson's Commentary of the Old and New Testaments - Jude 1:10-11
Judges 1:10-11. But these Without any shame; speak evil of those things which they know not Namely, the things of God; of whose nature and excellence, truth and importance, they are entirely ignorant. See on 1 Corinthians 2:14. But what they know naturally as brute beasts By instinct, as animals void of reason; in those things they corrupt themselves They make them occasions of sin: or, they are corrupted by the gross and scandalous abuse of them, to the dishonour of God, and their own... read more
Albert Barnes' Notes on the Whole Bible - Jude 1:10
But these speak evil of those things which they know not - These false and corrupt teachers employ reproachful language of those things which lie wholly beyond the reach of their vision. Notes, 2 Peter 2:12.But what they know naturally - As mere men; as animals; that is, in things pertaining to their physical nature, or in which they are on a level with the brute creation. The reference is to the natural instincts, the impulses of appetite, and passion, and sensual pleasure. The idea of the... read more