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 1:11
Woe unto them! - See Matthew 11:21.For they have gone in the way of Cain - Genesis 4:5-12. That is, they have evinced disobedience and rebellion as he did; they have shown that they are proud, corrupt, and wicked. The apostle does not specify the points in which they had imitated the example of Cain, but it was probably in such things as these - pride, haughtiness, the hatred of religion, restlessness under the restraints of virtue, envy that others were more favored, and a spirit of hatred of... read more