Revelation 17:5

“And upon her forehead was a name written, etc.] As the high priest had on his mitre upon his forehead written, holiness to the Lord, (<022836>Exodus 28:36) only a different inscription from that; the allusion is thought to be to harlots, who not only used to put their names over their doors, but some of them upon their foreheads, that all might know who they were; of which Mr. Daubuz has given proofs out of Seneca, Martial, Juvenal, and Petronius; and such might be said to have an whore's forehead indeed: and this is expressive of the openness and impudence of the church of Rome, in her idolatrous worship; she openly declares it, and pleads for it, and invites and ensnares persons to join…”

“upon . . . forehead . . . name--as harlots usually had. What a contrast to "HOLINESS TO THE LORD," inscribed on the miter on the high priest's forehead! mystery--implying a spiritual fact heretofore hidden, and incapable of discovery by mere reason, but now revealed. As the union of Christ and the Church is a "great mystery" (a spiritual truth of momentous interest, once hidden, now revealed, Eph 5:31-32), so the Church conforming to the world and thereby becoming a harlot is a counter "mystery" (or spiritual truth, symbolically now revealed). As iniquity in the harlot is a leaven working in "mystery," and therefore called "the mystery of iniquity," so when she is destroyed, the iniquity…”

“And upon her forehead - In a circlet around her forehead. That is, it was made prominent and public, as if written on the forehead in blazing capitals. In Revelation 13:1 it is said that “the name of blasphemy” was written on the “heads” of the beast. The meaning in both places is substantially the same, that it was prominent, and unmistakable. See the notes on that verse. Compare the note on Revelation 14:1. Was a name written - A title, or something that would properly indicate her character. Mystery - It is proper to remark that there is nothing in the original as written by John, so far as now known, that corresponded with what is implied in placing this inscription in capital letters;…”

“And on her forehead a name written - Whereas the saints have the name of God and the Lamb on their foreheads. Mystery - This very word was inscribed on the front of the Pope's mitre, till some of the Reformers took public notice of it. Babylon the great - Benedict XIII., in his proclamation of the jubilee, A.D. 1725, explains this sufficiently. His words are, "To this holy city, famous for the memory of so many holy martyrs, run with religious alacrity. Hasten to the place which the Lord hath chose. Ascend to this new Jerusalem, whence the law of the Lord and the light of evangelical truth hath flowed forth into all nations, from the very first beginning of the church: the city most…”

“17:5 Using code language, John was probably referring to Rome (see 17:9) as Babylon the Great, Mother of All Prostitutes. Babylon was a symbol of the idolatries and demonic obscenities of the world. As Mother, she had produced offspring who copied her character. Rome, like Babylon, prostituted herself to false gods and led other nations into adultery and idolatry.”

“upon: Rev 7:3; Isa 3:9; Phi 3:19 mystery: Th2 2:7; Ti2 3:1-5 Babylon: Rev 11:8, Rev 14:8, Rev 16:19, Rev 18:2, Rev 18:10, Rev 18:21; Jer 51:47, Jer 51:48 the Mother: Rev 18:9, Rev 19:2 harlots: or, fornications Revelation 17:6”