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6. Behold, thou hast desired truth, etc. This verse confirms the remark which we already made, that David was far from seeking to invent an apology for his sin, when he traced it back to the period of his conception, and rather intended by this to acknowledge that from his very infancy he was an heir of eternal death. He thus represents his whole life to have been obnoxious to condemnation. So far is he from imitating those who arraign God as the author of sin, and impiously suggest that he might have given man a better nature, that in the verse now before us he opposes God’s judgment to our corruption, insinuating, that every time we appear before him, we are certain of being condemned, inasmuch as we are born in sin, while he delights in holiness and uprightness. He goes further, and asserts, that in order to meet the approval of God, it is not enough that our lives be conformed to the letter of his law, unless our heart be clean and purified from all guile. He tells us that God desires truth in the inward parts, ²⁶⁴²⁶⁴     The word טחות, tuchoth, which is rendered inward parts, and which is derived from the verb טוח, tuach, to spread over, means the reins, which are so called, because they are overspread with fat. “Once more it is used in Scripture, Job 38:36, where, as here, our English Bible renders it inward parts, somewhat too generally. The Chaldee expresses it more particularly by reins, and these, in the Scripture style, are frequently taken for the seat of the affections, the purity whereof is most contrary to the natural corruption or inbred pollution spoken of in the preceding verse. The word אמת, emeth, truth, ordinarily signifies sincerity, uprightness, and integrity; and so truth in the reins is equivalent to a hearty sincere obedience, not only of the actions, but of the very thoughts and affections to God; and so, in things of this nature, wherein this psalm is principally concerned, denotes the purity of the heart, the not admitting any unclean desire or thought, the very first degree of indulgence to any lust. And this God is said to will, or desire, or delight in, and so to command and require of us.” — Hammond intimating to us, that secret as well as outward and gross sins excite his displeasure. In the second clause of the verse, he aggravates his offense by confessing that he could not plead the excuse of ignorance. He had been sufficiently instructed by God in his duty. Some interpret בסתום, besathum, as if he here declared that God had discovered secret mysteries to him, or things hidden from the human understanding. He seems rather to mean that wisdom had been discovered to his mind in a secret and intimate manner. ²⁶⁵²⁶⁵     The word is explained in the first of these senses in the Septuagint: “Τὰ ἄδηλα καὶ τα κρύφια τὢς σοφίας εδήλοσίς μοι;” — “Thou hast manifested to me the secret and hidden things of thy wisdom.” Viewed in this light as well as in the other, the language expresses the aggravated nature of David’s sin. He had sinned, although God had revealed to him high and secret mysteries. The one member of the verse responds to the other. He acknowledges that it was not a mere superficial acquaintance with divine truth which he had enjoyed, but that it had been closely brought home to his heart. This rendered his offense the more inexcusable. Though privileged so highly with the saving knowledge of the truth, he had plunged into the commission of brutish sin, and by various acts of iniquity had almost ruined his soul.

We have thus set before us the exercise of the Psalmist at this time. First, we have seen that he is brought to a confession of the greatness of his offense: this leads him to a sense of the complete depravity of his nature: to deepen his convictions, he then directs his thoughts to the strict judgment of God, who looks not to the outward appearance but the heart; and, lastly, he adverts to the peculiarity of his case, as one who had enjoyed no ordinary measure of the gifts of the Spirit, and deserved on that account the severer punishment. The exercise is such as we should all strive to imitate. Are we conscious of having committed any one sin, let it be the means of recalling others to our recollection, until we are brought to prostrate ourselves before God in deep self-abasement. And if it has been our privilege to enjoy the special teaching of the Spirit of God, we ought to feel that our guilt is additionally heavy, having sinned in this case against light, and having trampled under foot the precious gifts with which we were intrusted.

7. Thou shalt purge me with hyssop He still follows out the same strain of supplication; and the repetition of his requests for pardon proves how earnestly he desired it. He speaks of hyssop ²⁶⁶²⁶⁶     Hyssop was much used by the Hebrews in their sacred purifications and sprinklings. The allusion here probably is to the ceremony of sprinkling such as had been infected with leprosy. Two birds were to be taken, cedar wood, scarlet, and hyssop; one of the birds was to be killed, and the priest having dipped the living bird, the cedar wood, scarlet, and hyssop, in the blood of the bird that was killed, sprinkled the leper, (Leviticus 14.) This ceremony, it is to be observed, was not to be performed until the person was cured; and it was intended as a declaration to the people, that, God having healed him of a disease which no human means could remove, he might with safety be restored to society, and to the privileges of which he had been deprived. David, polluted with the crimes of adultery and murder, regarded himself as a man affected with the dreadful disease of leprosy, and he prays that God would sprinkle him with hyssop, as the leper was sprinkled, using this figurative language to express his ardent desires to obtain forgiveness and cleansing by the application of the blood of Christ, and that God would show to the people that he had pardoned his sin, restored him to favor, and purified his soul. , in allusion to the ceremonies of the law; and though he was far from putting his trust in the mere outward symbol of purification, he knew that, like every other legal rite, it was instituted for an important end. The sacrifices were seals of the grace of God. In them, therefore, he was anxious to find assurance of his reconciliation; and it is highly proper that, when our faith is disposed at any time to waver, we should confirm it by improving such means of divine support. All which David here prays for is, that God would effectually accomplish, in his experience, what he had signified to his Church and people by these outward rites; and in this he has set us a good example for our imitation. It is no doubt to the blood of Christ alone that we must look for the atonement of our sins; but we are creatures of sense, who must see with our eyes, and handle with our hands; and it is only by improving the outward symbols of propitiation that we can arrive at a full and assured persuasion of it. What we have said of the hyssop applies also to the washings ²⁶⁷²⁶⁷     David felt that he was stained, as it were, by the blood of Uriah, and therefore he prays, “Wash me.” The word כבסנ, cabbeseni, wash me, is from כבס, cabas, to tread, to trample with the feet; and hence it signifies to wash, to cleanse, for example, garments, by treading them in a trough, etc. It differs from רחף, rachats, to lave or wash the body, as the Greek word πλύνειν, to cleanse soiled garments, differs from λούειν, to wash the body See Gesenius Lexicon. These two words, כבס, cabas, and רחף, rachats, which thus express different kinds of washing, observes Bishop Mant, “are always used in the Hebrew language with the strictest propriety: the one to signify that kind of washing which pervades the substance of the thing washed, and cleanses it thoroughly; and the other to express that kind of washing which only cleanses the surface of a substance, which the water cannot penetrate. The former is applied to the washing of clothes; the latter is used for washing some part of the body. By a beautiful and strong metaphor, David uses the former word in this and the second verse: ‘Wash me thoroughly from mine iniquity, and cleanse me from my sin.’ ‘Wash me, and I shall be whiter than snow.’ So in Jeremiah 4:14, the same word is applied to the heart. There is a similar distinction in the Greek language, which the LXX. constantly observe in their rendering of the Hebrew words above alluded to.” referred to in this verse, and which were commonly practiced under the Law. They figuratively represented our being purged from all iniquity, in order to our reception into the divine favor. I need not say that it is the peculiar work of the Holy Spirit to sprinkle our consciences inwardly with the blood of Christ, and, by removing the sense of guilt, to secure our access into the presence of God.

In the two verses which follow, the Psalmist prays that God would be pacified towards him. Those put too confined a meaning upon the words who have suggested that, in praying to hear the voice of joy and gladness, he requests some prophet to be sent, who might assure him of pardon. He prays, in general, for testimonies of the divine favor. When he speaks of his bones as having been broken, he alludes to the extreme grief and overwhelming distress to which he had been reduced. The joy of the Lord would reanimate his soul; and this joy he describes as to be obtained by hearing; for it is the word of God alone which can first and effectually cheer the heart of any sinner. There is no true or solid peace to be enjoyed in the world except in the way of reposing upon the promises of God. Those who do not resort to them may succeed for a time in hushing or evading the terrors of conscience, but they must ever be strangers to true inward comfort. And, granting that they may attain to the peace of insensibility, this is not a state which could satisfy any man who has seriously felt the fear of the Lord. The joy which he desires is that which flows from hearing the word of God, in which he promises to pardon our guilt, and readmit us into his favor. It is this alone which supports the believer amidst all the fears, dangers, and distresses of his earthly pilgrimage; for the joy of the Spirit is inseparable from faith. When God is said, in the 9th verse, to hide his face from our sins, this signifies his pardoning them, as is explained in the clause immediately annexed — Blot out all my sins. This represents our justification as consisting in a voluntary act of God, by which he condescends to forget all our iniquities; and it represents our cleansing to consist in the reception of a gratuitous pardon. We repeat the remark which has been already made, that David, in thus reiterating his one request for the mercy of God, evinces the depth of that anxiety which he felt for a favor which his conduct had rendered difficult of attainment. The man who prays for pardon in a mere formal manner, is proved to be a stranger to the dreadful desert of sin. “Happy is the man,” said Solomon, “that feareth alway,” (Proverbs 28:14.)

But here it may be asked why David needed to pray so earnestly for the joy of remission, when he had already received assurance from the lips of Nathan that his sin was pardoned? (2 Samuel 12:13.) Why did he not embrace this absolution? and was he not chargeable with dishonoring God by disbelieving the word of his prophet? We cannot expect that God will send us angels in order to announce the pardon which we require. Was it not said by Christ, that whatever his disciples remitted on earth would be remitted in heaven? (John 20:23.) And does not the apostle declare that ministers of the gospel are ambassadors to reconcile men to God? (2 Corinthians 5:20.) From this it might appear to have argued unbelief in David, that, notwithstanding the announcement of Nathan, he should evince a remaining perplexity or uncertainty regarding his forgiveness. There is a twofold explanation which may be given of the difficulty. We may hold that Nathan did not immediately make him aware of the fact that God was willing to be reconciled to him. In Scripture, it is well known, things are not always stated according to the strict order of time in which they occurred. It is quite conceivable that, having thrown him into this situation of distress, God might keep him in it for a considerable interval, for his deeper humiliation; and that David expresses in these verses the dreadful anguish which he endured when challenged with his crime, and not yet informed of the divine determination to pardon it. Let us take the other supposition, however, and it by no means follows that a person may not be assured of the favor of God, and yet show great earnestness and importunity in praying for pardon. David might be much relieved by the announcement of the prophet, and yet be visited occasionally with fresh convictions, influencing him to have recourse to the throne of grace. However rich and liberal the offers of mercy may be which God extends to us, it is highly proper on our part that we should reflect upon the grievous dishonor which we have done to his name, and be filled with due sorrow on account of it. Then our faith is weak, and we cannot at once apprehend the full extent of the divine mercy; so that there is no reason to be surprised that David should have once and again renewed his prayers for pardon, the more to confirm his belief in it. The truth is, that we cannot properly pray for the pardon of sin until we have come to a persuasion that God will be reconciled to us. Who can venture to open his mouth in God’s presence unless he be assured of his fatherly favor? And pardon being the first thing we should pray for, it is plain that there is no inconsistency in having a persuasion of the grace of God, and yet proceeding to supplicate his forgiveness. In proof of this, I might refer to the Lord’s Prayer, in which we are taught to begin by addressing God as our Father, and yet afterwards to pray for the remission of our sins. God’s pardon is full and complete; but our faith cannot take in his overflowing goodness, and it is necessary that it should distil to us drop by drop. It is owing to this infirmity of our faith, that we are often found repeating and repeating again the same petition, not with the view surely of gradually softening the heart of God to compassion, but because we advance by slow and difficult steps to the requisite fullness of assurance. The mention which is here made of purging with hyssop, and of washing or sprinkling, teaches us, in all our prayers for the pardon of sin, to have our thoughts directed to the great sacrifice by which Christ has reconciled us to God. “Without shedding of blood,” says Paul, “is no remissions” (Hebrews 9:22;) and this, which was intimated by God to the ancient Church under figures, has been fully made known by the coming of Christ. The sinner, if he would find mercy, must look to the sacrifice of Christ, which expiated the sins of the world, glancing, at the same time, for the confirmation of his faith, to Baptism and the Lord’s Supper; for it were vain to imagine that God, the Judge of the world, would receive us again into his favor in any other way than through a satisfaction made to his justice.

10 Create in me a clean heart, O God! In the previous part of the psalm David has been praying for pardon. He now requests that the grace of the Spirit, which he had forfeited, or deserved to have forfeited, might be restored to him. The two requests are quite distinct, though sometimes confounded together, even by men of learning. He passes from the subject of the gratuitous remission of sin to that of sanctification. And to this he was naturally led with earnest anxiety, by the consciousness of his having merited the loss of all the gifts of the Spirit, and of his having actually, in a great measure, lost them. By employing the term create, he expresses his persuasion that nothing less than a miracle could effect his reformation, and emphatically declares that repentance is the gift of God. The Sophists grant the necessity of the aids of the Spirit, and allow that assisting grace must both go before and come after; but by assigning a middle place to the free will of man, they rob God of a great part of his glory. David, by the word which he here uses, describes the work of God in renewing the heart in a manner suitable to its extraordinary nature, representing it as the formation of a new creature.

As he had already been endued with the Spirit, he prays in the latter part of the verse that God would renew a right spirit within him But by the term create, which he had previously employed, he acknowledges that we are indebted entirely to the grace of God, both for our first regeneration, and, in the event of our falling, for subsequent restoration. He does not merely assert that his heart and spirit were weak, requiring divine assistance, but that they must remain destitute of all purity and rectitude till these be communicated from above. By this it appears that our nature is entirely corrupt: for were it possessed of any rectitude or purity, David would not, as in this verse, have called the one a gift of the Spirit, and the other a creation.

In the verse which follows, he presents the same petition, in language which implies the connection of pardon with the enjoyment of the leading of the Holy Spirit. If God reconcile us gratuitously to himself, it follows that he will guide us by the Spirit of adoption. It is only such as he loves, and has numbered among his own children, that he blesses with a share of his Spirit; and David shows that he was sensible of this when he prays for the continuance of the grace of adoption as indispensable to the continued possession of the Spirit. The words of this verse imply that the Spirit had not altogether been taken away from him, however much his gifts had been temporarily obscured. Indeed, it is evident that he could not be altogether divested of his former excellencies, for he seems to have discharged his duties as a king with credit, to have conscientiously observed the ordinances of religion, and to have regulated his conduct by the divine law. Upon one point he had fallen into a deadly lethargy, but he was not given over to a reprobate mind;” and it is scarcely conceivable that the rebuke of Nathan the prophet should have operated so easily and so suddenly in arousing him, had there been no latent spark of godliness still remaining in his soul. He prays, it is true, that his spirit may be renewed, but this must be understood with a limitation. The truth on which we are now insisting is an important one, as many learned men have been inconsiderately drawn into the opinion that the elect, by falling into mortal sin, may lose the Spirit altogether, and be alienated from God. The contrary is clearly declared by Peter, who tells us that the word by which we are born again is an incorruptible seed, (1 Peter 1:23;) and John is equally explicit in informing us that the elect are preserved from falling away altogether, (1 John 3:9.) However much they may appear for a time to have been cast off by God, it is afterwards seen that grace must have been alive in their breast, even during that interval when it seemed to be extinct. Nor is there any force in the objection that David speaks as if he feared that he might be deprived of the Spirit. It is natural that the saints, when they have fallen into sin, and have thus done what they could to expel the grace of God, should feel an anxiety upon this point; but it is their duty to hold fast the truth that grace is the incorruptible seed of God, which never can perish in any heart where it has been deposited. This is the spirit displayed by David. Reflecting upon his offense, he is agitated with fears, and yet rests in the persuasion that, being a child of God, he would not be deprived of what indeed he had justly forfeited.