If his children forsake my law and do not walk according to my rules,
PSALM 89 The prophet who wrote this psalm, whoever he was, in approaching the throne of grace to make supplication to God in behalf of the afflicted Church, lays down, as an encouragement both to himself and the rest of the faithful to cherish good hope, the covenant which God had made with David.
Commenting on Psalm 89:1-52
If his children forsake my law, and walk not in my judgments. It was possible, terribly possible, that David's posterity might wander from the Lord; indeed they did so, but what then? Was the mercy of God to pass away from David's seed?—far from it. So, too, the seed of the Son of David are apt to start aside, but are they therefore cast away?
The covenant God made with David and his seed was mentioned before (Psa 89:3, Psa 89:4); but in these verses it is enlarged upon, and pleaded with God, for favour to the royal family, now almost sunk and ruined; yet certainly it looks at Christ, and has its accomplishment in him much more than in David; nay, some passages here are scarcely applicable at all...
Commenting on Psalm 89:19-37