Revelation 12:7-10 American Standard Version (ASV)
7 And there was war in heaven: Michael and his angels going forth to war with the dragon; and the dragon warred and his angels; 8 and they prevailed not, neither was their place found any more in heaven. 9 And the great dragon was cast down, the old serpent, he that is called the Devil and Satan, the deceiver of the whole [a]world; he was cast down to the earth, and his angels were cast down with him. 10 And I heard a great voice in heaven, saying,
[b]Now is come the salvation, and the power, and the kingdom of our God, and the authority of his Christ: for the accuser of our brethren is cast down, who accuseth them before our God day and night.