Unknown Author
Job 36:21ESV·author unknown

Take care; do not turn to iniquity, for this you have chosen rather than affliction.

Matthew Henry Presbyterian @wholebiblehenry

Elihu here comes more closely to Job; and, I. He tells him what God would have done for him before this if he had been duly humbled under his affliction. "We all know how ready God is to deliver the poor in his affliction (Job 36:15); he always was so.

Commenting on Job 36:15-23

John Gill Reformed Baptist @doctorgill

Take heed, regard not iniquity,.... Not any iniquity, as to show any approbation of it, love for it, and desire after it. All appearance of sin, of every sin, is to be abstained from; but particularly by the iniquity here meant may be the sin of impatience under his affliction; murmuring at the dealings of God with him; arraigning his justice, and saying very indecent...

Jamieson-Fausset-Brown Reformed @jfbcommentary

regard--literally, "turn thyself to." iniquity--namely, presumptuous speaking against God (Job 34:5, and above, see on Job 36:17-18). rather than--to bear "affliction" with pious patience. Men think it an alleviation to complain against God, but this is adding sin to sorrow; it is sin, not sorrow, which can really hurt us (contrast Heb 11:25).