their first estate] Gr. their beginning: The estate they were first made in. God made them good and happie, as he did men; but they, by their fall, made themselves wicked and unhappie. Or, principality: their glorious condition. but left] Negligence is here attributed to the angels, in that they were not carefull to keep so glorious a condition. They are not said to be put out of heaven, but not to keep it, and to leave it; to wit, by sinning, 2 Peter 2:4. their own habitation] Gr. their proper habitation: Which God had prepared for them, as fit for such glorious creatures. He hath reserved in everlasting chains] As prisoners are kept in prison bound, till the assizes come; so are they kept by Gods power, that they cannot escape. This sheweth, their pains are not yet at greatest. It sheweth also, that they are unavoidable. under darknesse] He hath kept them as it were in a dark dungeon, to be judged afterwards. unto the judgement of the great day] In the end of the world, when all the world shall be judged; as v. 14, 15. Acts 17:31. 2 Timothy 1:18. 1 Corinthians 6:3.