I will therefore put you in remembrance, though you formerly knew this, that the Lord, having saved the people out of the land of Egypt, afterward destroyed them who did not believe.

Also, the angels who kept not their first estate, but left their proper habitation, he has reserved in everlasting chains, under darkness, to the judgment of the great day.

Whereas, Michael, the Arch Angel, when contending with the devil, (he disputed about the body of Moses,) did not attempt to bring against him a reviling accusation, but said, "The Lord rebuke":

but these, indeed, revile those things which they do not know; but what things they do know, naturally, as animals void of reason, by these things they destroy themselves.

These be they who separate themselves, sensual, not having the Spirit.