Daniel 3:23 (BSB)

And these three men, Shadrach, Meshach, and Abednego, firmly bound, fell into the blazing fiery furnace.

From Daniel 3. Also in the ESV.

Commentary on Daniel 3:23

• 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 3:23: And these three men fell down bound into the midst of the burning fiery furnace. The fire not so much as destroying what they were bound with, and much less them; but being bound they fell, and there they lay for the present, unbound and alive; when those that cast them in were destroyed.
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 3:23: fell down--not cast down; for those who brought the three youths to the furnace, perished by the flames themselves, and so could not cast them in. Here follows an addition in the Septuagint, Syrian, Arabic, and Vulgate versions. "The Prayer of Azarias," and "The Song of the Three Holy Children." It is not in the Chaldee.
• Adam Clarke (Methodist), Clarke's Commentary on the Bible on Daniel 3:23: And these three men - fell down bound - There is a most evident want of connection between this and the following verse; and it is between these verses that the apocryphal Song of the Three Children, as it is called, has been inserted by St.