Revelation 12:7: “And there was war in heaven: Michael and his angels” [The righteous angels] “fought against the dragon;” [Satan] “and the dragon fought and his angels," The wicked angels.

Revelation 12:8: “And prevailed not; neither was their place found any more in heaven.”

Revelation 12:9: “And the great dragon was cast out,” [Of heaven] “that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.”

Revelation 12:10: “And I" [John] "heard" [At the time when Satan and his angels were cast out of heaven] "a loud voice saying in heaven, now is come salvation, and strength, and the kingdom of our God, and the power of his Christ: for the accuser” [Satan] “of our brethren is cast down,” [Into the earth] “which accused them before our God day and night.”

Revelation 12:11: “And they” [The brethren/Servants of God raised up again] “overcame him” [Satan] “by the blood of the Lamb, and by the word of their testimony;" [The Spirit from God] "and they loved not their lives unto the death.”

Revelation 12:12: “Therefore” [Because Satan and his angels are cast out of heaven] “rejoice, ye heavens, and ye that dwell in them." [The righteous angels] "Woe” [Persecution, killing, affliction etc.] “to the inhabiters of the earth and of the sea! for the devil is come down unto you, having great wrath, because he knoweth that he hath but a short time.”