John Gills Exposition of the Bible Commentary - Revelation 9:14
Saying to the sixth angel which had the trumpet ,.... The sixth trumpet, which was given him, and he had prepared himself to sound, and had sounded: loose the four angels which are bound in the great river Euphrates ; not the four angels in Revelation 7:1 ; they stood upon the four corners of the earth; these were in, or at the river Euphrates; they held the four winds, that they should not blow, or restrained the savage nations, that they should not hurt; these are bound themselves,... read more
John Gills Exposition of the Bible Commentary - Revelation 9:13
And the sixth angel sounded ,.... His trumpet: and I heard a voice from the four horns of the golden altar, which is before God ; the allusion is not to the altar of burnt offering, which was covered with brass, but to the altar of incense covered with gold; and hence here, and elsewhere, it is called "the golden altar", and was a figure of the intercession of Christ; for on this altar incense was offered, which was typical of the prayers of the saints offered by Christ, through his... read more