But their heart was not right with him: nor were they counted faithful in his covenant.

“Let us cleave, therefore, to those who cultivate peace with godliness, and not to those who hypocritically profess to desire it. For [the Scripture] saith in a certain place, "This people honoureth Me with their lips, but their heart is far from Me." [Isaiah 29:13] And again: "They bless with their mouth, but curse with their heart." [Psalm 62:4] And again it saith, "They loved Him with their mouth, and lied to Him with their tongue; but their heart was not right with Him, neither were they faithful in His covenant." [Psalm 78:36-37] "Let the deceitful lips become silent," [and "let the Lord destroy all the lying lips, ] and the boastful tongue of those who have said, Let us magnify our tongue; our lips are our own; who is lord over us? For the oppression of the poor, and for the sighing of the needy, will I now arise, saith the Lord: I will place him in safety; I will deal confidently with him." [Psalm 12:3-5]”

“Lastly, here let us see the words following: "And they loved Him," he says, "in their mouth, and in their tongue they lied unto Him" [Psalm 78:36]. "But their heart was not right with Him, and they were not counted faithful in His Testament" [Psalm 78:37]. One thing on their tongue, another thing in their heart He found, unto whom the secret things of men are naked, and without any impediment He saw what they loved rather. Therefore the heart is right with God, when it does seek God for the sake of God. For one thing he desired of the Lord, the same he will require, that he may dwell always in the House of the Lord, and may meditate on the pleasantness of Him. Unto Whom says the heart of the faithful, I will be filled, not with the flesh-pots of the Egyptians, nor with melons and gourds, and garlick and onions, which a generation crooked and embittering did prefer even to bread celestial, [Exodus 16:3] nor with visible manna, and those same winged fowls; but, "I will be filled, when Your glory shall be made manifest." For this is the inheritance of the New Testament, wherein they were not counted faithful; whereof however the faith even at that time, when it was veiled, was in the elect, and now, when it has already been revealed, it is not in many that are called. "For many have been called, but few are elect." [Matthew 20:16] Of such sort therefore was the generation crooked and embittering, even when they were seeming to seek God, loving in mouth, and in tongue lying; but in heart not right with God, while they loved rather those things, for the sake of which they required the help of God.”

“But he, being full of compassion,.... Or merciful; having bowels of mercy, as a tender mother to the son of her womb; a word from the same root as this signifies the womb: the mercies of God are tender and abundant; there is a multitude of them; he is rich and plenteous in mercy, and so ready to forgive; hence it follows, forgave their iniquity; forgiveness of sin flows from the tender mercy of God; it is according to the multitude of his mercies, and the riches of his grace; yet is through the blood and attoning sacrifice of his Son; and the word (c) that is here used signifies to expiate or atone; God never intended to pardon sinners, but through the propitiation of his Son, whom he set forth in his purpose, and sent forth in the fulness of time to be the propitiatory sacrifice for sin; he forgave the sins of Old Testament saints with a view to that; and it is for Christ's sake he forgives any; for without shedding of blood there is no remission; though perhaps, since these persons were impenitent, unbelievers and hypocrites, no more may be meant here by the forgiveness of their sins than averting a threatened judgment, or a removing of one, and putting a stop to the further execution of it, which is sometimes meant by forgiving sin; see Num 14:19, Kg1 8:30 which sense the following words incline to: and destroyed them not; though they deserved it, and he was able to do it, he did not destroy them immediately and at once, nor all of them, at least not their seed and posterity, who were preserved and brought into the land of Canaan: yea, many a time turned he his anger away; he does not retain it for ever, or always carry on a resentment, or the appearance of it; though he causes grief, he has and shows compassion; he is said to turn away his anger from his own people when he forgives their sins, and comforts their souls, Psa 85:2, so when he causes the effects of his displeasure to cease, or stays a plague, or stops a judgment, by means of any of his servants; see Num 25:8, and did not stir up all his wrath; which their sins deserved, and was laid up among his treasures: the wrath of a temporal king is as the roaring of a lion, Pro 19:12 much more that of the King of kings; and the allusion here seems to be to the arousing of some fierce creature; the wrath of God is intolerable, and, even when it is kindled but a little, it cannot be endured; and much less should it be all stirred up; but here in wrath he remembered mercy. (c) "propitiabitur", Montanus; "propitiatus est", Pagninus, Museulus; "propitius fuit", Tigurine version; "expiabat", Junius & Tremellius, Piscator, Cocceius, Gejerus, Michaelis.”