John the Apostle
Revelation 16:1BSB·traditional attribution

Then I heard a loud voice from the temple saying to the seven angels, “Go, pour out on the earth the seven bowls of God’s wrath.”

Matthew Henry Presbyterian @wholebiblehenry

We had in the foregoing chapter the great and solemn preparation that was made for the pouring out of the vials; now we have the performance of that work. Here observe, I. That, though every thing was made ready before, yet nothing was to be put in execution without an immediate positive order from God; and this he gave out of the temple, answering the...

Commenting on Revelation 16:1-7

John Gill Reformed Baptist @doctorgill

And I heard a great voice out of the temple,.... The church, which in the preceding chapter is said to be opened; this was either the voice of God, whose temple the church is, and where he dwells, and who, has power over these plagues, Rev 16:9 and who, when he is about to bring judgments on the earth, is said to roar out of...

Albert Barnes Presbyterian @notesbybarnes

CHAPTER XVI ANALYSIS OF THE CHAPTER THE previous chapter had described the preparation for the last plagues that were to come upon that mighty Antichristian power to which this series of prophetic visions refers. All is now ready; and this chapter contains the description of those seven last "plagues" under which this power would reel and fall.