Then the king promoted Shadrach, Meshach, and Abed-nego in the province of Babylon.
The strict observations that were made, super visum corporis - on inspecting their bodies, by the princes and governors, and all the great men who were present upon this public occasion, and who could not be supposed partial in favour of the confessors, contributed much to the clearing of this miracle and the magnifying of the power and grace of God in it.
Commenting on Daniel 3:28-30
Dan 3:29-30 Regarding the collocation of the words עם אמּה ו, see under Dan 3:4; and regarding the Nymid@fha and the threatened punishment, see under Dan 2:5. כּדּנה we regard, with the lxx, Theodot., Vulg., and old interpreters, as a fem. adverbial: οὕτως, ita, as it occurs in Dan 2:10; Ezr 5:7, and Jer 10:11.
Commenting on Daniel 3:29-30
This seems to be of slight consequence; but yet it was not added in vain. We are to understand that the miracle was confirmed throughout the whole province and region, because all the Chaldeans knew those three men were cast into the furnace, and then afterwards shared in the imperial sway and were restored to their former honors. In consequence of this event, God’s power could not be unknown.