Jeremiah 31:33

will be their God-- (Jer 32:38).

But this shall be the covenant that I will make with the house of Israel; after those days, saith the Lord,.... The several articles or branches of the covenant next follow, which show it to be different from the former: I will put my law in their inward parts, and write it in their hearts; not the ceremonial law, which was abolished when this covenant was made; but rather the moral law still in force, which is a transcript of the nature and will of God; was inscribed on Adam's heart in innocence; is greatly obliterated by sin; a contrary disposition to it is in man; this is reinscribed in regeneration; and hence a regard is had to it by regenerate persons, in which lies part of their conformity to Christ: or else, since the word here used signifies doctrine or instruction, the Gospel and the truths of it may be meant; see Isa 2:2, Rom 3:27; which have a place and dwell in the hearts of renewed ones. The Septuagint version reads it in the plural number, "laws"; and so does the apostle, Heb 8:10; and may design the ordinances of the Gospel, and the commandments of Christ; which such, who are called by grace, have at heart to keep, and are made willing to be subject to; besides, the principle of grace in the soul is called "the law of the mind"; Rom 7:23; it has the force of a law; is a reigning, governing, principle; and which is implanted in the genre by the spirit and power of God; the tables on which this law or laws are written are not tables of stone, but the fleshly tables of the heart; the heart is the proper seat, both of the law of God and Gospel of Christ, as well as of the grace of God in all regenerate persons: and the "putting" of those things there denotes knowledge of them, as of the spirituality of the law, and its perfection; that there is no righteousne…

This chapter goes on with the good words and comfortable words which we had in the chapter before, for the encouragement of the captives, assuring them that God would in due time restore them or their children to their own land, and make them a great and happy nation again, especially by sending them the Messiah, in whose kingdom and grace many of these promises were to have their full accomplishment. I. They shall be restored to peace and honour, and joy and great plenty (Jer 31:1-14). II. Their sorrow for the loss of their children shall be at an end (Jer 31:15-17). III. They shall repent of their sins, and God will graciously accept them in their repentance (Jer 31:18-20). IV. They shall be multiplied and increased, both their children and their cattle, and not be cut off and diminished as they had been (Jer 31:21-30). V. God will renew his covenant with them, and enrich it with spiritual blessings (Jer 31:31-34). VI. These blessings shall be secured to theirs after them, even to the spiritual seed of Israel for ever (Jer 31:35-37). VII. As an earnest of this the city of Jerusalem shall be rebuilt (Jer 31:38-40). These exceedingly great and precious promises were firm foundations of hope and full fountains of joy to the poor captives; and we also may apply them to ourselves and mix faith with them.