21:1-6 Job comes closer to the question in dispute. This was, Whether outward prosperity is a mark of the true church, and the true members of it, so that ruin of a man's prosperity proves him a hypocrite? This they asserted, but Job denied. If they looked upon him, they might see misery enough to demand compassion, and their bold interpretations of this mysterious providence should be turned into silent wonder.
5. lay … hand upon … mouth—(Pr 30:32; Jud 18:19). So the heathen god of silence was pictured with his hand on his mouth. There was enough in Job's case to awe them into silence (Job 17:8).