8 Tying a stone in a sling so that it cannot be thrown at a target is as foolish as SIM honoring a foolish person.
9 If a drunk person waves some thorns/brambles with his hand, he is not able to accomplish anything useful by doing that (OR, he does not feel it when a thorn sticks in his hand); similarly, if foolish people speak MTY proverbs, they do not help anyone who hears them.