Adam Clarke on Daniel 3:27

Upon whose bodies the fire had no power - The heathens boasted that their priests could walk on burning coals unhurt; and Virgil mentions this of the priests of Apollo of Soracte: -

Summe Deum, sancti custos Soractis Apollo!

Quem primi colimus, cui pineus ardor acervo

Pascitur; et medium, freti pietate, per ignem

Cultores multa premimus vestigia pruna.

Virg. Aen. 11:785.

O Phoebus, guardian of Soracte's woods

And shady hills; a god above the gods;

To whom our natives pay the rites divine,

And burn whole crackling groves of hallowed pine;

Walk through the fire in honor of thy name,

Unhurt, unsinged, and sacred from the flame.

Pitts.

But Varro tells us that they anointed the soles of their feet with a species of unguent that preserved them from being burnt. Very lately a female showed many feats of this kind, putting red hot iron upon her arms, breasts, etc., and passing it over her hair without the slightest inconvenience; but in the case of the three Hebrews all was supernatural, and the king and his officers well knew it.