Parallel
Isaiah 66:24
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And they shall go forth, and look upon the carcases of the men that have transgressed against me: for their worm shall not die, neither shall their fire be quenched; and they shall be an abhorring unto all flesh.
“As they go forth, they will see the corpses of the men who have rebelled against Me; for their worm will never die, their fire will never be quenched (note: Cited in Mark 9:48), and they will be a horror to all mankind.”