Then flew one of the seraphim unto me, having a live coal in his hand, which he had taken with the tongs from off the altar:
Isa 6:6-7 This confession was followed by the forgiveness of his sins, of which he received an attestation through a heavenly sacrament, and which was conveyed to him through the medium of a seraphic absolution. “And one of the seraphim flew to me with a red-hot coal in his hand, which he had taken with the tongs from the altar.
Commenting on Isaiah 6:6-7
Isaiah cried out in terror not because he was blessed but because he stood guilty. A man of unclean lips cannot endure the presence of the Holy King without knowing himself undone, and he rightly trembled at the justice of God.
AI summary
Commenting on Isaiah 6:5-8
unto me--The seraph had been in the temple, Isaiah outside of it. live coal--literally, "a hot stone," used, as in some countries in our days, to roast meat with, for example, the meat of the sacrifices. Fire was a symbol of purification, as it takes the dross out of metals (Mal 3:2-3). the altar--of burnt offering, in the court of the priests before the temple.