Daniel 3:25 (BSB)

“Look!” he exclaimed. “I see four men, unbound and unharmed, walking around in the fire—and the fourth looks like a son of the gods!”

From Daniel 3. Also in the ESV.

Commentary on Daniel 3:25

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 3:19-27: In these verses we have, I. The casting of these three faithful servants of God into the fiery furnace. Nebuchadnezzar had himself known and owned so much of the true God that, one would have thought, though his pride and vanity induced him to make this golden image, and set it up to be worshipped, yet what these young men now said (whom he had...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 3:25: Then Nebuchadnezzar came near to the mouth of the burning fiery furnace,.... He came so nigh before, as to see at a distance four persons walking in it; now he comes nearer, as near as he could with safety: and spake and said, Shadrach, Meshach, and Abednego, ye servants of the most high God; he not only spake to them in a different tone than...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 3:25: four--whereas but three had been cast in. loose--whereas they had been cast in "bound." Nebuchadnezzar's question, in Dan 3:24, is as if he can scarcely trust his own memory as to a fact so recent, now that he sees through an aperture in the furnace what seems to contradict it. walking in . . . midst of . . .
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Daniel 3:25: He answered and said, Lo, I see four men loose, walking in the midst of the fire, and they have no hurt; and the form of the fourth is like the Son of God. (k) For the angels were called the sons of God because of their excellency. Therefore the king called this angel whom God sent to comfort his own in these great torments, the son of God.