speak evil of those things which they know not] Ignorance should keep them from censuring, especially such persons as are above them, or such things as are above their reach. But they are impudent, and speak evil of the greatest persons on earth, and the greatest mysteries of religion. what they know naturally] They live not according to naturall principles, but drown them by bad life, Romans 1:21. 1 Timothy 1:7. Or, they know nothing, but what cometh within the compasse of their senses, and follow sensuall objects to their destruction. as bruit-beasts] By naturall light and experience, which things the bruit-beasts in part know. in those things] Or, by those things. So, in the holy Ghost, v. 20. that is, by the holy Ghost. they corrupt themselves] Gr. they are corrupted. Such things they without choice abuse, to satisfie their sensuality, 2 Peter 2:12.