7 Bible Verses about Coal, Metaphorical Use

Lust not after her beauty in your heart; neither let her allure you with her eyelids. For by means of a harlot a man is reduced to a piece of bread: and the adulteress will prey upon his precious life. Can a man take fire in his bosom, and his clothes not be burned?read more.
Can one go upon hot coals, and his feet not be burned?

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:

Therefore if your enemy hungers, feed him; if he thirsts, give him drink: for in so doing you shall heap coals of fire on his head.

And, behold, the whole family is risen against your handmaid, and they said, Deliver him that struck his brother, that we may kill him, for the life of his brother whom he slew; and we will destroy the heir also: and so they shall quench my ember which is left, and shall not leave to my husband either name or remnant upon the earth.

Therefore if your enemy hungers, feed him; if he thirsts, give him drink: for in so doing you shall heap coals of fire on his head. Be not overcome of evil, but overcome evil with good.

Can a man take fire in his bosom, and his clothes not be burned? Can one go upon hot coals, and his feet not be burned? So is he that goes in to his neighbor's wife; whosoever touches her shall not be innocent.

If your enemy is hungry, give him bread to eat; and if he is thirsty, give him water to drink: For you shall heap coals of fire upon his head, and the LORD shall reward you.