And thus I saw the horses in the vision, and them that sat on them, having breastplates of fire, and of jacinth, and brimstone: and the heads of the horses were as the heads of lions; and out of their mouths issued fire and smoke and brimstone.

People's New Testament

9:17 Having breastplates as of fire, and of jacinth, and brimstone. Or, bright red, blue and yellow. These are the colors observed.

The heads of the horses were as the heads of lions. Strength and fierceness are implied.

And out of their mouths issued fire and smoke and brimstone. This is a destroying power. It might well describe the use of gunpowder. One looking at a distance would see the flash of fire, and the smoke, apparently coming from the horses' heads, would smell the brimstone odor, and would see the destructive effect.

Jamieson-Fausset-Brown Bible Commentary

17. thus-as follows.

of fire-the fiery color of the breastplates answering to the fire which issued out of their mouths.

of jacinth-literally, "of hyacinth color," the hyacinth of the ancients answering to our dark blue iris: thus, their dark, dull-colored breastplates correspond to the smoke out of their mouths.

brimstone-sulphur-colored: answering to the brimstone or sulphur out of their mouths.

Matthew Henry's Concise Commentary

9:13-21 The sixth angel sounded, and here the power of the Turks seems the subject. Their time is limited. They not only slew in war, but brought a poisonous and ruinous religion. The antichristian generation repented not under these dreadful judgments. From this sixth trumpet learn that God can make one enemy of the church a scourge and a plague to another. The idolatry in the remains of the eastern church and elsewhere, and the sins of professed Christians, render this prophecy and its fulfilment more wonderful. And the attentive reader of Scripture and history, may find his faith and hope strengthened by events, which in other respects fill his heart with anguish and his eyes with tears, while he sees that men who escape these plagues, repent not of their evil works, but go on with idolatries, wickedness, and cruelty, till wrath comes upon them to the utmost.

Matthew Henry's Whole Bible Commentary

Verses 13-21

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, v. 13, 14. Here observe, 1. The power of the church's enemies is restrained till God gives the word to have them turned loose. 2. When nations are ripe for punishment, those instruments of God's anger that were before restrained are let loose upon them, v. 14. 3. The instruments that God makes use of to punish a people may sometimes lie at a great distance from them, so that no danger may be apprehended from them. These four messengers of divine judgment lay bound in the river Euphrates, a great way from the European nations. Here the Turkish power had its rise, which seems to be the story of this vision.

II. The vision itself: And the four angels that had been bound in the great river Euphrates were now loosed, v. 15, 16. And here observe, 1. The time of their military operations and executions is limited to an hour, and a day, and a month, and a year. Prophetic characters of time are hardly to be understood by us; but in general the time is fixed to an hour, when it shall begin and when it shall end; and how far the execution shall prevail, even to a third part of the inhabitants of the earth. God will make the wrath of man praise him, and the remainder of wrath he will restrain. 2. The army that was to execute this great commission is mustered, and the number found to be of horsemen two hundred thousand thousand; but we are left to guess what the infantry must be. In general, it tells us, the armies of the Mahomedan empire should be vastly great; and so it is certain they were. 3. Their formidable equipage and appearance, v. 17. As the horses were fierce, like lions, and eager to rush into the battle, so those who sat upon them were clad in bright and costly armour, with all the ensigns of martial courage, zeal, and resolution. 4. The vast havoc and desolation that they made in the Roman empire, which had now become antichristian: A third part of them were killed; they went as far as their commission suffered them, and they could go no further. 5. Their artillery, by which they made such slaughter, described by fire, smoke, and brimstone, issuing out of the mouths of their horses, and the stings that were in their tails. It is Mr. Mede's opinion that this is a prediction of great guns, those instruments of cruelty which make such destruction: he observes, These were first used by the Turks at the siege of Constantinople, and, being new and strange, were very terrible, and did great execution. However, here seems to be an allusion to what is mentioned in the former vision, that, as antichrist had his forces of a spiritual nature, like scorpions poisoning the minds of men with error and idolatry, so the Turks, who were raised up to punish the antichristian apostasy, had their scorpions and their stings too, to hurt and kill the bodies of those who had been the murderers of so many souls. 6. Observe the impenitency of the antichristian generation under these dreadful judgments (v. 20); the rest of the men who were not killed repented not, they still persisted in those sins for which God was so severely punishing them, which were, (1.) Their idolatry; they would not cast away their images, though they could do them no good, could not see, nor hear, nor walk. (2.) Their murders (v. 21), which they had committed upon the saints and servants of Christ. Popery is a bloody religion, and seems resolved to continue such. (3.) Their sorceries; they have their charms, and magic arts, and rites in exorcism and other things. (4.) Their fornication; they allow both spiritual and carnal impurity, and promote it in themselves and others. (5.) Their thefts; they have by unjust means heaped together a vast deal of wealth, to the injury and impoverishing of families, cities, princes, and nations. These are the flagrant crimes of antichrist and his agents; and, though God has revealed his wrath from heaven against them, they are obstinate, hardened, and impenitent, and judicially so, for they must be destroyed.

III. From this sixth trumpet we learn, 1. God can make one enemy of the church to be a scourge and plague to another. 2. He who is the Lord of hosts has vast armies at his command, to serve his own purposes. 3. The most formidable powers have limits set them, which they cannot transgress. 4. When God's judgments are in the earth, he expects the inhabitants thereof should repent of sin, and learn righteousness. 5. Impenitency under divine judgments is an iniquity that will be the ruin of sinners; for where God judges he will overcome.