then let my shoulder blade fall from my shoulder, and let my arm be broken from its socket.
Eliphaz had particularly charged Job with unmercifulness to the poor (Job 22:6, etc.): Thou hast withholden bread from the hungry, stripped the naked of their clothing, and sent widows away empty. One would think he could not have been so very positive and express in his charge unless there had been some truth in it, some ground, for it; and yet it appears, by Job's...
Commenting on Job 31:16-23
If I have made gold my hope,.... Job here purges himself from idolatry in a figurative sense, as he afterwards does from it, taken in a literal sense; for covetousness is idolatry, and a covetous man is an idolater; he worships his gold and silver, placing his affections on them, and putting his trust and confidence in them, Eph 5:5; for to make gold the...
Apodosis to Job 31:13, Job 31:16-17, Job 31:19-21. If I had done those crimes, I should have made a bad use of my influence ("my arm," figuratively, Job 31:21): therefore, if I have done them let my arm (literally) suffer. Job alludes to Eliphaz' charge (Job 22:9). The first "arm" is rather the shoulder. The second "arm" is the forearm.