Principality… That is, the state in which they were first created, their original dignity.
1:7. As Sodom and Gomorrha and the neighbouring cities, in like manner, having given themselves to fornication and going after other flesh, were made an example, suffering the punishment of eternal fire.
1:8. In like manner, these men also defile the flesh and despise dominion and blaspheme majesty.
Blaspheme majesty… Speak evil of them that are in dignity; and even utter blasphemies against the divine majesty.
1:9. When Michael the archangel, disputing with the devil, contended about the body of Moses, he durst not bring against him the judgment of railing speech, but said: The Lord command thee.
Contended about the body, etc… This contention, which is no where else mentioned in holy writ, was originally known by revelation, and transmitted by tradition. It is thought the occasion of it was, that the devil would have had the body buried in such a place and manner, as to be worshipped by the Jews with divine honours. Command thee… or rebuke thee.
1:10. But these men blaspheme whatever things they know not: and what things soever they naturally know, like dumb beasts, in these they are corrupted.
1:11. Woe unto them! For they have gone in the way of Cain: and after the error of Balaam they have for reward poured out themselves and have perished in the contradiction of Core.
Gone in the way, etc… Heretics follow the way of Cain, by murdering the souls of their brethren; the way of Balaam, by putting a scantal before the people of God, for their own private ends; and the way of Core or Korah, by their opposition to the church governors of divine appointment.
1:12. These are spots in their banquets, feasting together without fear, feeding themselves: clouds without water, which are carried about by winds: trees of the autumn, unfruitful, twice dead, plucked up by the roots: