John the Apostle
Revelation 9:21ESV·traditional attribution

nor did they repent of their murders or their sorceries or their sexual immorality or their thefts.

Matthew Henry Presbyterian @wholebiblehenry

Here let us consider the preface to this vision, and then the vision itself. I. The preface to this vision: A voice was heard from the horns of the golden altar, Rev 9:13, Rev 9:14. Here observe, 1. The power of the church's enemies is restrained till God gives the word to have them turned loose. 2.

Commenting on Revelation 9:13-21

John Gill Reformed Baptist @doctorgill

Neither repented they of their murders,.... Of the saints and martyrs of Jesus, with whose blood the western antichrist is made drunk, and which will be found in her, and for which she is answerable. Now, though the western parts of the empire escaped the scourge of the Turks, yet this did not bring them to repent of their murderous practices, but they went on...

Albert Barnes Presbyterian @notesbybarnes

This is part 2 of 4 Parts of the Note for Revelation 9:20-21. (7.) Their numbers: "And the number of the army of the horsemen were two hundred thousand thousand." That is, it was vast, or it was such as to be reckoned by myriads, or by tens of thousands-- δυομυριαδεςμυριαδων two myriads of myriads. Thus Mr. Gibbon (iv. 94) says, "The myriads of Turkish horse overspread," etc.