Psalms 40:8

King James Version (KJV)

I delight to do thy will, O my God: yea, thy law is within my heart.

Adam Clarke
Bible Commentary

To do thy will - God willed not the sacrifices under the law, but he willed that a human victim of infinite merit should be offered for the redemption of mankind. That there might be such a victim, a body was prepared for the eternal Logos, and in that body he came to do the will of God; that is, to suffer and die for the sins of the world.

Hence we see that the sovereign Will of God is that Jesus should be incarnated; that he should suffer and die; or, in the apostle's words, taste death for every man; that all should believe on him, and be saved from their sins; for this is the Will of God, our sanctification.

2. And as the apostle grounds this on the words of the Psalm, we see that it is the Will of God that that system shall end; for as the essence of it is contained in its sacrifices, and God says he will not have these, and has appointed the Messiah to do his will, i.e., to die for men, hence it necessarily follows, from the psalmist himself, that the introduction of the Messiah into the world is the abolition of the law; and that his sacrifice is that which shall last for ever.

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Albert Barnes
Notes on the Whole Bible

I delight to do thy will, O my God - To wit, in obeying the law; in submitting to all the trials appointed to me; in making an atonement for the sins of men. See the notes at Hebrews 10:7. Compare Philemon 2:8; Matthew 26:39.

Yea, thy law is within my heart - Margin, “In the midst of my bowels.” So the Hebrew. The idea is, that the law of God was within him. His obedience was not external, but proceeded from the heart. How true this was of the Redeemer it is not necessary here to say.

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Matthew Henry
Concise Bible Commentary

The psalmist foretells that work of wonder, redemption by our Lord Jesus Christ. The Substance must come, which is Christ, who must bring that glory to God, and that grace to man, which it was impossible the sacrifices should ever do. Observe the setting apart of our Lord Jesus to the work and office of Mediator. In the volume, or roll, of the book it was written of him. In the close rolls of the Divine decrees and counsel, the covenant of redemption was recorded. Also, in all the volumes of the Old Testament something was written of him, Joh 19:28. Now the purchase of our salvation is made, the proclamation is sent forth, calling us to come and accept it. It was preached freely and openly. Whoever undertook to preach the gospel of Christ, would be under great temptation to conceal it; but Christ, and those he calls to that work, are carried on in it. May we believe his testimony, trust his promise, and submit to his authority.

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Ellen G. White
The Desire of Ages, 23

Nearly two thousand years ago, a voice of mysterious import was heard in heaven, from the throne of God, “Lo, I come.” “Sacrifice and offering Thou wouldest not, but a body hast Thou prepared Me.... Lo, I come (in the volume of the Book it is written of Me,) to do Thy will, O God.” Hebrews 10:5-7. In these words is announced the fulfillment of the purpose that had been hidden from eternal ages. Christ was about to visit our world, and to become incarnate. He says, “A body hast Thou prepared Me.” Had He appeared with the glory that was His with the Father before the world was, we could not have endured the light of His presence. That we might behold it and not be destroyed, the manifestation of His glory was shrouded. His divinity was veiled with humanity,—the invisible glory in the visible human form. DA 23.1

This great purpose had been shadowed forth in types and symbols. The burning bush, in which Christ appeared to Moses, revealed God. The symbol chosen for the representation of the Deity was a lowly shrub, that seemingly had no attractions. This enshrined the Infinite. The all-merciful God shrouded His glory in a most humble type, that Moses could look upon it and live. So in the pillar of cloud by day and the pillar of fire by night, God communicated with Israel, revealing to men His will, and imparting to them His grace. God's glory was subdued, and His majesty veiled, that the weak vision of finite men might behold it. So Christ was to come in “the body of our humiliation” (Philippians 3:21, R. V.), “in the likeness of men.” In the eyes of the world He possessed no beauty that they should desire Him; yet He was the incarnate God, the light of heaven and earth. His glory was veiled, His greatness and majesty were hidden, that He might draw near to sorrowful, tempted men. DA 23.2

God commanded Moses for Israel, “Let them make Me a sanctuary; that I may dwell among them” (Exodus 25:8), and He abode in the sanctuary, in the midst of His people. Through all their weary wandering in the desert, the symbol of His presence was with them. So Christ set up His tabernacle in the midst of our human encampment. He pitched His tent by the side of the tents of men, that He might dwell among us, and make us familiar with His divine character and life. “The Word became flesh, and tabernacled among us (and we beheld His glory, glory as of the Only Begotten from the Father), full of grace and truth.” John 1:14, R. V., margin. DA 23.3

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Ellen G. White
The Desire of Ages, 410

This chapter is based on Matthew 16:13-28; Mark 8:27-38; Luke 9:18-27.

The work of Christ on earth was hastening to a close. Before Him, in vivid outline, lay the scenes whither His feet were tending. Even before He took humanity upon Him, He saw the whole length of the path He must travel in order to save that which was lost. Every pang that rent His heart, every insult that was heaped upon His head, every privation that He was called to endure, was open to His view before He laid aside His crown and royal robe, and stepped down from the throne, to clothe His divinity with humanity. The path from the manger to Calvary was all before His eyes. He knew the anguish that would come upon Him. He knew it all, and yet He said, “Lo, I come: in the volume of the Book it is written of Me, I delight to do Thy will, O My God: yea, Thy law is within My heart.” Psalm 40:7, 8. DA 410.1

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Ellen G. White
The Faith I Live By, 199.1

Then said I, Lo, I come: in the volume of the book it is written of me, I delight to do thy will, O my God: yea, thy law is within my heart. Psalm 40:7, 8. FLB 199.1

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Ellen G. White
In Heavenly Places, 38.1

Then said I, Lo, I come: in the volume of the book it is written of me, I delight to do thy will, O my God: yea, thy law is within my heart. Psalm 40:7, 8. HP 38.1

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I delight