Heaping glowing coals on another person's head is usually misunderstood and comes to nothing because the other person knows just as well that he is in the right and has also given some thought on his own part to heaping coals.
Every deep thinker is more afraid of being understood than of being misunderstood.
...at the bottom of all these noble races the beast of prey, the splendid blond beast, prowling about avidly in search of spoil and victory...