المزامير ٤٠:٨

In this Psalm a celebration of God's deliverance is followed by a profession of devotion to His service. Then follows a prayer for relief from imminent dangers, involving the overthrow of enemies and the rejoicing of sympathizing friends. In Heb 10:5, &c., Paul quotes Psa 40:6-8 as the words of Christ, offering Himself as a better sacrifice. Some suppose Paul thus accommodated David's words to express Christ's sentiments. But the value of his quotation would be thus destroyed, as it would have no force in his argument, unless regarded by his readers as the original sense of the passage in the Old Testament. Others suppose the Psalm describes David's feelings in suffering and joy; but the language quoted by Paul, in the sense given by him, could not apply to David in any of his relations, for as a type the language is not adapted to describe any event or condition of David's career, and as an individual representing the pious generally, neither he nor they could properly use it (see on Psa 40:7, below). The Psalm must be taken then, as the sixteenth, to express the feelings of Christ's human nature. The difficulties pertinent to this view will be considered as they occur. (Psa. 40:1-17) The figures for deep distress are illustrated in Jeremiah's history (Jer 38:6-12). Patience and trust manifested in distress, deliverance in answer to prayer, and the blessed effect of it in eliciting praise from God's true worshippers, teach us that Christ's suffering is our example, and His deliverance our encouragement (Heb 5:7-8; Heb 12:3; Pe1 4:12-16). inclined--(the ear, Psa 17:6), as if to catch the faintest sigh.

I delight to do thy will, O my God,.... This he came down from heaven to do, and this he did do, by preaching the Gospel, and working miracles; and above all by obtaining eternal redemption for his people, which he effected by fulfilling the law, becoming a sacrifice, and suffering and dying in their room; all which were the will of God, and grateful to him, and in doing which Christ took the utmost delight and pleasure, Joh 4:34; yea, thy law is within my heart; either the whole moral law, under which he was, as man, and the surety of his people; and which was written upon his heart, and which he perfectly obeyed; or that particular law, injunction, and command laid upon him by his Father, to offer himself a sacrifice, and lay down his life for men; which he agreed to, had it in his mind, his heart was set upon it, and he cheerfully complied with it, Joh 10:18.

It should seem David penned this psalm upon occasion of his deliverance, by the power and goodness of God, from some great and pressing trouble, by which he was in danger of being overwhelmed; probably it was some trouble of mind arising from a sense of sin and of God's displeasure against him for it; whatever it was, the same Spirit that indited his praises for that deliverance was in him, at the same time, a Spirit of prophecy, testifying of the sufferings of Christ and the glory that should follow; or, ere he was aware, he was led to speak of his undertaking, and the discharge of his undertaking, in words that must be applied to Christ only; and therefore how far the praises that here go before that illustrious prophecy, and the prayers that follow, may safely and profitably be applied to him it will be worth while to consider. In this psalm, I. David records God's favour to him in delivering him out of his deep distress, with thankfulness to his praise (Psa 40:1-5). II. Thence he takes occasion to speak of the work of our redemption by Christ (Psa 40:6-10). III. That gives him encouragement to pray to God for mercy and grace both for himself and for his friends (Psa 40:11-17). If, in singing this psalm, we mix faith with the prophecy of Christ, and join in sincerity with the praises and prayers here offered up, we make melody wit our hearts to the Lord. To the chief musician. A psalm of David.