| Geneva Study Bible {g} Then said I, Lo, I come: in the volume of the book it is written of me, (g) When you had opened my ears and heart, I was ready to obey you, being assured that I was written in the book of your elect for this end. Wesley's Notes 40:7 Them - These words literally and truly belong to Christ, and the sense is this; seeing thou requirest a better sacrifice than those of the law, lo, I offer myself to come, and I will in due time come, into the world, as this phrase is explained in divers places of scripture, and particularly Heb 10:5, where this place is expressly applied to Christ. Volume - These two words, volume and book are used of any writing, and both express the same thing. Now this volume of the book is the law of Moses, which is commonly and emphatically called the book, and was made up in the form of a roll or volume, as the Hebrew books generally were. And so this place manifestly points to Christ, concerning whom much is said in the books of Moses. Jamieson-Fausset-Brown Bible Commentary 7. Then-in such case, without necessarily referring to order of time. Lo, I come-I am prepared to do, &c. in the volume of the book-roll of the book. Such rolls, resembling maps, are still used in the synagogues. written of me-or on me, prescribed to me (2Ki 22:13). The first is the sense adopted by Paul. In either case, the Pentateuch, or law of Moses, is meant, and while it contains much respecting Christ directly, as Ge 3:15; 49:10; De 18:15, and, indirectly, in the Levitical ritual, there is nowhere any allusion to David. Matthew Henry's Concise Commentary 40:6-10 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. | 
