Psalm 120:4 (b) The evil words of hostile enemies are compared to coals that burn and hurt when they strike.
Proverbs 6:23 (b) This is a figure to describe the fact that those who live in sin are defiled and hurt by sin even as those who walk upon coals are burned by them.
Isaiah 6:6 (b) The purging power of a live coal which destroys germs and corruption is here used to illustrate the effect of the Lord Himself in touching human life to purge, cleanse, and blot out the sins.