Albert Barnes Commentary Daniel 3:28

"Nebuchadnezzar spake and said, Blessed be the God of Shadrach, Meshach, and Abed-nego, who hath sent his angel, and delivered his servants that trusted in him, and have changed the king`s word, and have yielded their bodies, that they might not serve nor worship any god, except their own God." — Daniel 3:28 (ASV)

Then Nebuchadnezzar spoke, and said, Blessed be the God of Shadrach...—On the characteristic of mind thus shown by this monarch, see the notes and practical remarks at (Daniel 2:46–47).

Who has sent his angel—This proves that the king regarded this mysterious fourth personage as an angel, and that he used the phrase (Daniel 3:25) is like the son of God only in that sense.

That an angel should be employed on a mission of this kind, we have seen, is in accordance with the current statements of the Scriptures. Compare “Excursus I.” to Professor Stuart “on the Apocalypse.” See also (Luke 1:11–20), (Luke 1:26–38); (Matthew 1:20–21); (Matthew 2:13), (Matthew 2:19–20); (Matthew 4:11); (Matthew 18:10); (Acts 12:7–15); (Genesis 32:1–2); (2 Kings 6:17); (Exodus 14:19); (Exodus 23:20); (Exodus 33:2); (Numbers 20:16); (Joshua 5:13); (Isaiah 63:9); (Daniel 10:5–13), (Daniel 10:20–21); (Daniel 12:1).

And have changed the king’s word—That is, his purpose or command. Their conduct, and the Divine protection in consequence of their conduct, had the effect wholly to change his purpose toward them. He had resolved to destroy them; he now resolved to honor them. This is referred to by the monarch himself as a remarkable result, as indeed it was—that an Eastern despot, who had resolved on the signal punishment of any of his subjects, should be so entirely changed in his purposes toward them.

And yielded their bodies—The Greek adds here εἰς πῦρ eis pur—“to the fire.” So the Arabic. This is doubtless the sense of the passage. The meaning is, that rather than bow down to worship gods which they regarded as no gods, rather than violate their consciences and do wrong, they had preferred to be cast into the flames, committing themselves to the protection of God.

It is implied here that they had done this voluntarily, and that they might easily have avoided it if they had chosen to obey the king. He had given them time to deliberate on the subject (Daniel 3:14–15), and he knew that they had resolved to pursue the course which they did from principle, no matter what might be the results (Daniel 3:16–18).

This strength of principle—this obedience to the dictates of conscience—this determination not to do wrong at any hazard—he could not but respect; and this is a remarkable instance to show that a firm and steady course in doing what is right will command the respect of even wicked men. This monarch, with all his pride, and haughtiness, and tyranny, had not a few generous qualities, and some of the finest illustrations of human nature were furnished by him.

That they might not serve nor worship any god, except their own God—They gave up their bodies to the flame rather than do this.