|Matthew Henry's Concise Commentary|
37:21-33 The Lord our God requires that we do justly, and render to all their due. It is a great sin for those that are able, to deny the payment of just debts; it is a great misery not to be able to pay them. He that is truly merciful, will be ever merciful. We must leave our sins; learn to do well, and cleave to it. This is true religion. The blessing of God is the spring, sweetness, and security of all earthly enjoyments. And if we are sure of this, we are sure not to want any thing good for us in this world. By his grace and Holy Spirit, he directs the thoughts, affections, and designs of good men. By his providence he overrules events, so as to make their way plain. He does not always show them his way for a distance, but leads them step by step, as children are led. God will keep them from being ruined by their falls, either into sin or into trouble, though such as fall into sin will be sorely hurt. Few, if any, have known the consistent believer, or his children, reduced to abject, friendless want. God forsakes not his saints in affliction; and in heaven only the righteous shall dwell for ever; that will be their everlasting habitation. A good man may fall into the hands of a messenger of Satan, and be sorely buffeted, but God will not leave him in his enemy's hands.
Verse 31. - The Law of his God is in his heart (camp. Deuteronomy 6:6; Psalm 40:8; Psalm 119:11; Isaiah 51:7). None of his steps shall slide. The two facts are associated as cause and effect. The having the Law of God in his heart prevents his sliding or going astray.
Gill's Exposition of the Entire Bible
The law of his God is in his heart,.... Which may be understood of the moral law, which was written in the heart of Adam an his creation, and continued there during his state of innocence, but was greatly obliterated by sin: there are some remains of it in fallen man, even in the very Gentiles; who, though without the law, do some things contained in it, which shows the work of it to be written in them; though in some it is scarcely legible, having lost all distinction between good and evil: but in regeneration the law of God is reinscribed, according to the promise of the covenant of grace, Jeremiah 31:33; and such have a real knowledge of the spirituality and perfection of it; of the impossibility of justification by it; and of Christ being the fulfilling end of it: and they have a strong affection for it; they love it; and delight in it after the inward man, and serve it with their minds; in which lies part of their conformity to Christ, and is a branch of their character as good men; see Psalm 40:8; moreover, the word here used, signifies any doctrine or instruction, and is sometimes used for the doctrine of the Gospel, Isaiah 2:3, and may have this sense here, and the meaning be, that that has a place in the hearts or righteous men, dwells richly there, and works effectually in them; and particularly the doctrine of grace which relates to covenant interest in God; for it is the law or doctrine of "his God" that is in his heart;
none of his steps shall slide; not that he shall never slip nor fall; for that is supposed Psalm 37:24; but he shall never finally and totally go out of the paths of truth, holiness, and righteousness: the Lord keeps the feet of his saints, and orders their steps, and directs them in the way they should go, and preserves them in it; and enables them to walk uprightly, according to the rule of the divine word, and in all his commandments and ordinances; and to hold on and out unto the end: or the clause may be rendered, "it", the law, "shall not cause his steps to slide" (b); neither the law of God, nor the Gospel of Christ, but shall guide him in the right way, and be a lamp unto his feet, and a light unto his path.
(b) "non vacillat gressus ejus", Cocceius.
Jamieson-Fausset-Brown Bible Commentary
31. steps—or, "goings"—for conduct which is unwavering (Ps 18:36).
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