Grace, Law, and the Meaning of "God Forbid" in Romans 6

The phrase "God forbid" in the King James Version is an idiomatic rendering of a strong negative expression in the Greek text. It does not literally mean that God is being asked to intervene and stop something. Instead, it conveys, "Absolutely not," "May it never be," or "Far be it from us to think so."

In Romans 6:15 Paul raises a question that naturally arises once he has taught that believers are "not under the law, but under grace." If the Mosaic law is no longer the governing principle for the believer, does that open the door to a life of sin? Paul’s answer is as strong and absolute as possible: "God forbid"—by no means.

The function of "God forbid"

In the King James Bible, "God forbid" appears 24 times. In many cases it translates an underlying expression that signals intense rejection of a proposed idea. For example:

"What if some did not believe? shall their unbelief make the faith of God without effect? God forbid..." Romans 3:3--4

Here the sense is: "Absolutely not; such a conclusion must be firmly rejected." The same pattern appears repeatedly in Romans, where Paul uses this formula to repel wrong inferences:

• Romans 6:1--2: "Shall we continue in sin, that grace may abound? God forbid."
• Romans 7:7: "Is the law sin? God forbid."
• Romans 9:14: "Is there unrighteousness with God? God forbid."

Each time, Paul anticipates a misunderstanding of his teaching, then immediately pushes it away with the strongest possible denial.

So in Romans 6:15, "God forbid" should be understood as: "The very thought is intolerable; we must reject such an idea entirely."

What Romans 6:15 is addressing

Romans 5–6 develops the doctrine of justification by grace through faith apart from the works of the law. Having established that justification is not gained or maintained by law-keeping, Paul knows his teaching can be distorted:

• If we are not under law, are we free to sin?
• If God is gracious, does more sin simply mean more grace?

Thus he poses the question:

"What then? shall we sin, because we are not under the law, but under grace? God forbid." Romans 6:15

The issue is whether grace functions as a license to sin. Paul’s answer is an emphatic no. Being under grace does not mean being lawless in the sense of having no moral obligation. It means that the believer’s relationship to God is not governed by the Mosaic covenant as a legal system, nor enforced by its specific sanctions (such as expulsion from the land or immediate temporal judgments). Yet the absence of covenantal law-structure as our rule does not negate moral seriousness.

Grace without antinomianism

Paul insists that the grace he preaches is not antinomian, that is, it does not teach that believers are without any moral norm. Several points follow from his argument in Romans 6:

• Believers have died with Christ and are to "walk in newness of life" (Romans 6:4).
• They are not to let sin reign in their mortal bodies (Romans 6:12).
• They have become "servants of righteousness" (Romans 6:18).

Grace changes the basis of our standing before God—no longer law, but Christ’s finished work. At the same time, grace establishes a new kind of obedience, not as a means to secure justification, but as a fitting response to the salvation already granted. The believer is not under the law as a covenant, yet is very much under the call to live in a manner that corresponds to God’s holiness and the new identity granted in Christ.

Paul’s "God forbid" in Romans 6:15 therefore guards against a corrupted conclusion: that if God is gracious and law is not the believer’s covenantal framework, moral boundaries have disappeared. On the contrary, grace binds the believer to God in such a way that to live in sin is utterly inconsistent with the salvation received.

Summary of the verse’s teaching

Romans 6:15 teaches that:

• The believer is not under the Mosaic law as a covenantal system.
• The believer is under grace, justified apart from works of the law.
• This gracious standing must never be twisted into permission for sin.
• "God forbid" is Paul’s way of forcefully rejecting the idea that grace is a license to sin.

The verse does not reintroduce the believer under the law, nor does it deny the freeness of grace. It insists instead that a rightly understood grace produces a life that turns away from sin, not toward it.

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