He that blows the coals in quarrels he has nothing to do with has no right to complain if the sparks fly in his face. Benjamin Franklin
I am walking over hot coals suspended over a deep pit at the bottom of which are a large number of vipers baring their fangs. John Major
I do not want to heap coals of fire on anyone's head, but I would like to advise those who keep the living thought of the dead hidden away in cardboard boxes, to pass on as quickly as possibly such explosive material, whose only legitimate heir is the whole world, that is to say, my neighbor. Pierre Schaeffer
They that burn you for a witch lose all their coals. Gypsy Proverb
To carry coals to Newcastle. Vietnamese Proverb
He couldn't drag a herring off the coals. Irish Proverb