Whedon's Commentary on the Bible - Revelation 9:1-21
IV. THE SEVEN TRUMPETS, Revelation 7:1 to Revelation 20:10. Of the trumpets, the first four are mundane, or earthly; each of the four blasts draws down a judgment upon some creational point, as earth, sea, fountains and rivers; firmamental luminaries. It is the sins of men that draw down these bolts of wrath, rendering every point of creation hostile to our peace. “Cursed is the ground for thy sake,” (Genesis 3:17,) is the key-note. This sad status of humanity has existed through all past... read more
Wesley's Explanatory Notes - Revelation 9:13
And the sixth angel sounded, and I heard a voice from the four horns of the golden altar which is before God,And the sixth angel sounded — Under this angel goes forth the second woe.And I heard a voice from the four corners of the golden altar — This golden altar is the heavenly pattern of the Levitical altar of incense. This voice signified that the execution of the wrath of God, mentioned verses20,21, Revelation 9:20,21should, at no intercession, be delayed any longer. read more