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Part III: The Covenant
Chapter 8

The Covenant of Grace — Overarching and Eternal

8 min read

Chapter 8: The Covenant of Grace — Overarching and Eternal

Here is one of the most important claims in this entire book, and I want to state it as clearly as I can.

The covenant of grace IS the New Covenant. And it has been present in every age of human history, including the time of Adam. It is not a new arrangement that started at the cross, or at Pentecost, or with the apostle Paul. It is an eternal, overarching covenant that spans all of time and extends to every one of God’s elect in every era. Abraham was in it. David was in it. Isaiah was in it. The Teacher of Righteousness who wrote predestinarian theology in the caves near the Dead Sea two centuries before Christ was in it.

And the Old Covenant at Sinai was NOT a dispensation of it.

This is where I part company with standard Covenant Theology, and I want to explain why carefully, because the distinction matters enormously.


Two Covenants Running Simultaneously

Covenant Theology teaches that the covenant of grace was administered differently in different eras. In the Old Testament, it was administered through the law, the sacrifices, the ceremonies, the priesthood. In the New Testament, it’s administered through the gospel, through faith, through the Spirit. Same covenant. Different administration. The Old Covenant IS the covenant of grace, just wearing different clothes.

I don’t believe that. And here’s why.

“Christ hath redeemed us from the curse of the law, being made a curse for us.” (Galatians 3:13)

The law is a curse. Paul doesn’t call it a different administration of grace. He calls it a curse. And you can’t be under a curse and in a covenant of grace through the same covenant. They’re not the same thing. The grace was there. But the law was a separate overlay.

“Wherefore then serveth the law? It was added because of transgressions, till the seed should come to whom the promise was made.” (Galatians 3:19)

The law was added. Added to what? Added to the covenant of grace that was already running. The law didn’t replace the covenant of grace. It didn’t absorb it. It didn’t become it. It was added on top of it. A separate thing. A covenant of works. A curse meant to increase transgressions and shut the elect up in Christ.

“Wherefore the law was our schoolmaster to bring us unto Christ, that we might be justified by faith.” (Galatians 3:24)

The law was a schoolmaster. Not a covenant of grace. A tutor. A temporary institution with a specific purpose: to drive the elect to Christ by showing them they couldn’t keep it.

So in the Old Testament, two covenants ran simultaneously:

  1. The covenant of grace — eternal, overarching, present in all ages. Every elect person partook of it. They had the Spirit. They were regenerated. They were justified. They had new firmware, to use the language we’ll develop later in this book. Abraham “believed God, and it was counted unto him for righteousness” (Romans 4:3). David wrote, “Blessed is the man unto whom the Lord imputeth not iniquity” (Psalm 32:2). These men were in the covenant of grace centuries before Sinai. And they remained in it during and after Sinai.

  2. The covenant of works at Sinai — a separate overlay. A curse. Temporary. Added because of transgressions. Designed to reveal sin, increase guilt, and drive the elect to Christ. The ceremonies, the sacrifices, the priesthood, the dietary laws, the Sabbath regulations, all of it. Real. Valid. Served its purpose. But it was not the covenant of grace. It was the visible rendering constraint layered on top of the invisible substance.

And when Christ fulfilled the law, the overlay was removed. What was left was what was always there: the covenant of grace, now visible at higher resolution, no longer veiled behind the ceremonies of Sinai.


The OT Covenants Mapped to the Framework

Let me show you how the individual covenants of the Old Testament relate to the overarching covenant of grace:

The Adamic covenant (Genesis 3:15) — the first visible rendering of the covenant of grace in time. God promises enmity between the seed of the woman and the seed of the serpent. The two seeds announced. Redemption promised. The covenant of grace begins its temporal expression.

The Noahic covenant (Genesis 9) — God’s promise to preserve the stage on which redemption unfolds. The rainbow is a sign of continuity, not of salvation. God won’t destroy the world by flood again because the story isn’t finished yet. The rendering needs to continue.

The Abrahamic covenant (Genesis 17) — the covenant of grace rendered in promise to a specific man. “And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee” (Genesis 17:7). Circumcision as the visible sign. But the real sign was always the circumcision of the heart. The visible sign pointed at the invisible reality.

The Mosaic covenant at Sinai — NOT a dispensation of the covenant of grace. A covenant of WORKS. The exception. The one covenant in the Old Testament that is not a rendering of the covenant of grace but a separate overlay for a specific purpose: to curse, to increase transgressions, to drive the elect to Christ. Every other covenant in the Bible is a rendering of grace. This one is law.

The Davidic covenant (2 Samuel 7) — the covenant of grace rendered in kingship. An eternal throne promised to David’s line. Fulfilled in Christ. The visible king pointed to the invisible reign. “Of the increase of his government and peace there shall be no end” (Isaiah 9:7).

The New Covenant as revealed in the New Testament — the covenant of grace at its highest temporal resolution. The Sinai overlay removed. The veil lifted. Faith alone. Law finished. The Spirit poured out. Not a new covenant in substance, because the substance was always there. New in resolution. The same thought, rendered at higher fidelity.

Covenant Reference What is rendered Visible sign Relation to the covenant of grace
Adamic Gen 3:15 The two seeds, redemption promised The promise itself First rendering of grace in time
Noahic Gen 9 Preservation of the stage The rainbow Sustains the rendering, not the grace itself
Abrahamic Gen 17 Grace promised to a specific seed Circumcision (pointing at heart-circumcision) Direct rendering of grace
Mosaic / Sinai Ex 19-24 Law, curse, transgression increased Tablets and ceremonies A separate covenant of WORKS, not grace
Davidic 2 Sam 7 An eternal throne The visible king Grace rendered in kingship
New Jer 31, Heb 8 Faith, Spirit poured out, law finished The Lord’s Supper Same grace at higher resolution

The Mosaic row is the one that breaks the pattern. Every other covenant is a rendering of grace at some resolution. Sinai is an overlay of law on top of the same elect. That single asymmetry is the whole chapter.

The progressive rendering of this covenant across history, and the remarkable evidence from the Dead Sea Scrolls, are explored in the next chapter.


Objections and Answers


For Further Study

The following passages speak to the themes of this chapter and are commended to the reader for independent study.

The covenant of grace present in all ages

Gen. 3:15Gen. 9:8-11Gen. 12:3Gen. 15:6Gen. 17:7Gen. 22:18Ps. 32:1-2Ps. 130:3-4Isa. 45:22Isa. 53:5-6Hab. 2:4Acts 10:43Acts 15:11Rom. 1:17Heb. 11:1-40Heb. 13:20

The Mosaic law as a separate, temporary covenant of works (not grace)

Rom. 3:20Rom. 4:15Rom. 5:13Rom. 5:20Rom. 7:5Rom. 7:7-11Rom. 10:4-5Gal. 2:16Gal. 2:21Gal. 3:10-11Gal. 3:17-18Gal. 3:21-22Gal. 4:21-25Gal. 5:3-42 Cor. 3:6-11Heb. 7:18-19Heb. 8:7-8Heb. 8:13Heb. 10:1

The new covenant written on the heart

Jer. 31:31-34Jer. 32:40Ezek. 11:19-20Ezek. 36:26-27Heb. 8:8-12Heb. 10:15-172 Cor. 3:3

OT saints justified by faith, not by works of the law

Gen. 15:6Ps. 32:1-2Ps. 143:2Hab. 2:4Rom. 4:1-8Rom. 4:9-12Rom. 4:16Gal. 3:6-9Heb. 11:4Heb. 11:7Heb. 11:8

The Davidic covenant pointing to Christ’s eternal reign

2 Sam. 7:12-16Ps. 2:6-8Ps. 89:3-4Ps. 89:35-37Ps. 132:11-12Isa. 9:6-7Isa. 11:1-5Jer. 23:5-6Jer. 33:14-17Ezek. 37:24-25Luke 1:32-33Acts 2:30-31Acts 13:23

Up Next The Rendering — Progressive Revelation There’s a phrase you hear in Reformed circles: progressive revelation . Continue

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