7 Bible Verses about Coal, Metaphorical Use

Do not desire her beauty in your heart, and do not let her capture you with her eyelashes; for the price of a prostitute is only a loaf of bread, but a married womanhunts down a precious life. Can a man carry fire next to his chest and his clothes not be burned?read more.
Or can one walk on hot coals and his feet not be scorched?

Then one of the seraphim flew to me, having in his hand a burning coal that he had taken with tongs from the altar.

To the contrary, "if your enemy is hungry, feed him; if he is thirsty, give him something to drink; for by so doing you will heap burning coals on his head."

And now the whole clan has risen against your servant, and they say, 'Give up the man who struck his brother, that we may put him to death for the life of his brother whom he killed.' And so they would destroy the heir also. Thus they would quench my coal that is left and leave to my husband neither name nor remnant on the face of the earth."

To the contrary, "if your enemy is hungry, feed him; if he is thirsty, give him something to drink; for by so doing you will heap burning coals on his head." Do not be overcome by evil, but overcome evil with good.

Can a man carry fire next to his chest and his clothes not be burned? Or can one walk on hot coals and his feet not be scorched? So is he who goes in to his neighbor's wife; none who touches her will go unpunished.

If your enemy is hungry, give him bread to eat, and if he is thirsty, give him water to drink, for you will heap burning coals on his head, and the LORD will reward you.