In 1545, a year before his death, Martin Luther wrote a preface to the first volume of his collected Latin works. In it he told a story about how he had come to understand a single phrase in Romans 1:17 — the righteousness of God. For years, he wrote, he had hated that phrase. He had read it as God’s punishing justice — the attribute by which God judges sinners — and had concluded that the gospel itself was offering him only further condemnation. He could not stop sinning. The “righteousness of God” would always find him out.
Then he saw something. Luther wrote that he came at last, after long meditation and considerable suffering, to see that “the righteousness of God” was not God’s just attribute on display against him, but God’s gift-righteousness given to those who believe. The phrase he had hated became the phrase that set him free.
That discovery did not happen in a vacuum. It happened over months and years, in the study and the lecture hall and the confessional. Luther himself dated it variously. But it is the moment Lutheran historians have called the Turmerlebnis — the tower experience — and the Greek word at the center of the discovery is dikaiosynē: righteousness.
The entry on dikaioō was about the verb by which God declares the sinner righteous. This entry is about the noun for the righteousness God declares the sinner to have. The Lutheran answer, recovered by Luther through long study and considerable agony, is that this righteousness is not the sinner’s own. It is Christ’s righteousness, given as gift, received by faith. The justified sinner stands before God clothed in a righteousness not his own — and that righteousness, foreign to him by nature, becomes his fully and irrevocably by God’s free declaration.
The Word
δικαιοσύνη (dikaiosynē), pronounced dee-kai-oh-SOO-nay. A feminine noun, first declension. The family is one of the largest in the New Testament: dikaios (δίκαιος, “righteous, just”), dikaioō (δικαιόω, “to justify”), dikaiōma (δικαίωμα, “righteous decree, righteous act”), dikaiōsis (δικαίωσις, “justification”), dikaiōs (δικαίως, “righteously”). The root is dikē (δίκη), the Greek word for justice or judgment — in some texts a personified goddess of justice, in others simply the abstract noun for the right ordering of things.
In classical Greek, dikaiosynē named justice in the sense of giving each what is due. Plato treated it as one of the four cardinal virtues, alongside wisdom, courage, and moderation. A dikaios person was someone who acted justly in his dealings with others, paid what he owed, kept his agreements, gave each person their proper share. Dikaiosynē in this sense was an ethical category — a quality of human character, observable in conduct.
The Septuagint took this Greek word and stretched it to carry the Hebrew tsedeq and tsedaqah, which had a wider range. The Hebrew terms could mean justice in the Greek sense, but they could also mean God’s saving covenant action — His acting in faithfulness to deliver His people, vindicate the oppressed, set things right. When the prophets spoke of God’s tsedeq, they often meant not His attribute of justice in the abstract but His coming to save. The Septuagint translators used dikaiosynē to render this Hebrew background, and the New Testament writers inherited a word weighted both with Greek ethical content and with Hebrew covenant-saving content.
This is one of those words where the etymology gives you only part of the meaning. To hear what the New Testament does with dikaiosynē, you have to hear both the Greek ethical sense (right conduct, right standing) and the Hebrew covenant-saving sense (God’s coming to make things right). Paul’s most consequential uses of the word run on both tracks at once.
Range of Meaning
In its New Testament usage, dikaiosynē covers:
- God’s attribute of righteousness — His holy and just character considered in itself.
- God’s saving action — His coming to make things right, deliver His people, vindicate His covenant. The Hebrew prophetic sense, inherited through the Septuagint.
- The gift-righteousness God gives the believer in justification — the meaning Luther recovered in Romans 1:17. This is the dominant Pauline use in justification contexts.
- The righteous conduct expected of those who have been declared righteous — the sanctification dimension, the actual living of the Christian life as a righteous life.
- What is right or just in general — the residual classical Greek sense, occasionally appearing in passages about social or ethical justice.
The center of gravity in Paul’s letters is the third sense — gift-righteousness — though the second sense (God’s saving action that delivers this gift) is usually in the background, and the fourth sense (sanctification) is the fruit that follows. The first sense (attribute) and the fifth sense (general justice) appear in some passages but are not the entry’s main concern.
Where You’ll Meet It
“For the righteousness of God is revealed in the gospel from faith to faith, just as it is written, ‘The righteous by faith will live.’” (Romans 1:17, NET)
The verse Luther wrestled with for years. The “righteousness of God” (dikaiosynē theou) is revealed in the gospel — and revealed “from faith to faith” meaning received by faith and intended for faith. Luther came to read this as the gift-righteousness God gives to those who believe, rather than as God’s attribute of justice operating against the unrighteous. The reading changed the Reformation, and it changes Christian lives whenever it is recovered.
“But now apart from the law the righteousness of God (although it is attested by the law and the prophets) has been disclosed— namely, the righteousness of God through the faithfulness of Jesus Christ for all who believe. For there is no distinction,” (Romans 3:21–22, NET)
The passage toward which Paul builds his Romans argument. The dikaiosynē theou has been disclosed apart from the law. The NET renders pistis Christou as “the faithfulness of Jesus Christ,” emphasizing Christ’s faithful work, and then explicitly says “for all who believe.” This reading distinguishes the ground of righteousness in Christ from the believer’s reception of it by faith. The Old Testament had borne witness to this righteousness; the gospel now announces it.
“For if, by the transgression of the one man, death reigned through the one, how much more will those who receive the abundance of grace and of the gift of righteousness reign in life through the one, Jesus Christ!” (Romans 5:17, NET)
Paul’s Adam-Christ contrast. Righteousness is described here as “the gracious gift” (dōrea) and “the abundance of grace.” Receiving it is not earning it; it is taking what has been given. The result is reigning in life — the eschatological dignity restored to those who have been given Christ’s righteousness.
“For ignoring the righteousness that comes from God and seeking instead to establish their own righteousness, they did not submit to God’s righteousness.” (Romans 10:3, NET)
The verse that names the central religious problem. The Israel of Paul’s day — and by extension, every religious person of every era — is “ignoring the righteousness that comes from God” and tries to establish “their own” righteousness instead. The contrast is the contrast between gift-righteousness and self-righteousness. The latter is the human default. The former is what the gospel reveals.
“God made the one who did not know sin to be sin for us, so that in him we would become the righteousness of God.” (2 Corinthians 5:21, NET)
The most concentrated statement of imputed righteousness in the New Testament. Christ became what He was not (sin, on the cross, for us) so that we might become what we are not (the righteousness of God, in Him, by faith). The exchange is total. His sinlessness is taken into the place of our sin; His righteousness is given into the place of our unrighteousness. Lutheran theology has called this the “Great Exchange” — though the language predates the Reformation and is found in some of the church fathers.
“and be found in him, not because I have my own righteousness derived from the law, but because I have the righteousness that comes by way of Christ’s faithfulness—a righteousness from God that is in fact based on Christ’s faithfulness.” (Philippians 3:9, NET)
Paul’s autobiographical confession. He had a righteousness of his own — by the standards of the law, blameless — and he has counted it as loss in order to have Christ’s righteousness instead. The verse names the two righteousnesses (his own, from the law; Christ’s, through faith) and chooses between them. Lutherans hear this verse the way Paul wrote it: the believer has Christ’s righteousness, not his own.
“He is the reason you have a relationship with Christ Jesus, who became for us wisdom from God, and righteousness and sanctification and redemption,” (1 Corinthians 1:30, NET)
The verse Lutherans have cited for five centuries to summarize the substance of saving faith. Christ Himself became our righteousness. The gift is not a quality detached from Him; the gift is Him. To have righteousness is to have Christ. The believer’s standing is not in a credit balance on a heavenly ledger; the believer’s standing is in a Person.
What Confessional Lutherans Hear
When confessional Lutherans hear dikaiosynē, two things stand out that the broader conversation frequently passes over.
First, the righteousness that justifies is Christ’s, imputed to the believer — not the believer’s own, even when assisted by grace. This is the doctrine the Reformation called iustitia aliena — alien righteousness. The word “alien” in this Latin theological sense does not mean “foreign” in the modern xenophobic sense; it means “belonging to another.” The righteousness that justifies belongs to Christ, by His own perfect obedience and saving death; it is given to the believer as gift, reckoned to his account, declared his by God’s free verdict. Luther worked this out in many places, most famously in his 1519 sermon “Two Kinds of Righteousness,” where he distinguished between the alien righteousness given to the believer in Christ (which justifies) and the proper righteousness of the believer’s own life (which follows as the fruit of justification but does not contribute to its basis).
The alternative is the medieval Catholic doctrine, codified at the Council of Trent (1545–1563): justifying righteousness is infused into the soul as a quality that transforms the person and enables them to do truly righteous works, which then contribute to ongoing justification. In this framework, the believer is justified by a righteousness that is, in some real sense, their own — given by grace, but residing in them as a new quality of being. The Reformation rejected this. The righteousness that justifies is not in the believer; it is Christ’s, and is given to the believer by imputation — reckoning, declaration — rather than by infusion.
This is what makes the simul iustus et peccator doctrine intelligible. We treated the simul in Sarx: the believer is simultaneously righteous (before God, in Christ) and sinner (in himself, in the flesh). If righteousness were an infused quality, the simul would not work — the believer would either have the quality (and not be a sinner) or lack it (and not be righteous). Because the righteousness is Christ’s, imputed by declaration, the believer can be both at once: genuinely righteous before God on the basis of what has been given, genuinely sinner in himself on the basis of what he still is. Real sanctification follows. The Spirit works actual holiness in the believer over time. But the basis of standing before God is the alien righteousness, not the growing internal holiness.
Second, the “righteousness of God” in Paul is primarily His gift, not just His attribute. This is Luther’s tower discovery, and it is the doorway through which the gospel walked back into the Reformation church. The Greek phrase dikaiosynē theou (δικαιοσύνη θεοῦ) — “the righteousness of God” — is grammatically ambiguous. It can be read as “the righteousness that belongs to God” (His attribute), “the righteousness that comes from God” (His gift to the believer), or “the righteousness that God effects” (His saving action). The Reformation insisted that the second reading must be central. The “righteousness of God.” Paul announces in Romans 1:17 is not God’s attribute on display against sinners; it is God’s gift-righteousness given to those who believe.
Modern scholarship has tended to emphasize the third reading, particularly in the New Perspective on Paul — the view that dikaiosynē theou names God’s covenant faithfulness in keeping His promises to Israel, climactically in Christ. We treated some of this in Dikaioō. The Lutheran position is not to reject the third reading entirely (God’s covenant faithfulness is a real biblical theme) but to insist that the second reading remain central. If God’s righteousness is His covenant faithfulness in some abstract sense, but not His gift-righteousness given to the individual believer, the pastoral payoff of the doctrine is lost. The sinner in the pew needs to know that the righteousness God requires for acceptance is the righteousness God has given in Christ. That is what justifies. That is what assures. That is what Luther came at last to see in the tower.
The pastoral payoff: when you wonder whether you are righteous enough for God to accept you, the question is misframed. The righteousness God requires for acceptance is Christ’s righteousness, and Christ’s righteousness has been given to you in baptism, received by you in faith, sustained in you through the means of grace. Your acceptance does not depend on your becoming a different kind of person. Your acceptance depends on the righteousness already given to you in Christ. Real sanctification will follow — and you should pursue it as the Spirit works in you — but the basis of your standing before God is not your becoming. The basis is what has already been done for you, and what has already been declared yours.
Where People Get It Wrong
Three common ways.
The first is infused righteousness — the medieval Catholic position formalized at Trent. Justifying righteousness, in this framework, is infused into the soul as a quality that transforms the person and enables their cooperation with grace. Lutherans reject this on the grounds named above: imputed righteousness is what justifies; sanctification is the fruit, not the form. The entry on charis treated the same Catholic-Lutheran divide from the grace side; this entry on dikaiosynē treats it from the righteousness side. The doctrines stand or fall together. If grace is gift rather than infused quality, the righteousness that grace delivers is gift rather than infused quality. If the righteousness is gift rather than infused quality, the grace that gives it is gift rather than infused quality. The two are one teaching, in two words.
The second is self-righteousness — Romans 10:3 — the human default. Every form of attempting to establish one’s own righteousness before God, whether explicit (the moralist, the strict religious observer) or quiet (the comparison with worse sinners, the trust in one’s own sincerity, the confidence in one’s own progress), is this error. The remedy is not better self-righteousness but the dikaiosynē theou Paul names — the gift-righteousness from God, received by faith, that displaces self-righteousness once and for all. The temptation is permanent. The remedy is always the same: hear the gospel again. Christ’s righteousness is yours. Stop trying to establish your own.
The third is sanctification-as-the-basis-of-assurance. This is subtler than the previous two and more common in conservative Protestant traditions that have correctly recovered justification by grace through faith. The drift occurs when the believer, having been justified by Christ’s righteousness, begins to measure their continuing standing before God by their own growing holiness. The reasoning: “if I am truly justified, my sanctification will show it; if my sanctification is sufficient, my justification must be real; if my sanctification looks weak, I should worry about my justification.” The reasoning sounds biblical (sanctification is real, after all), but the assurance has migrated from Christ’s righteousness to the believer’s holiness. The Lutheran corrective is to return assurance where it belongs: to the alien righteousness, the gift given, the verdict spoken. Sanctification is real fruit, but it is not the root. The root is Christ. The fruit may be weak; the root holds.
So What
The righteousness that saves you is not your own. It is Christ’s, given to you as gift, declared yours by the God who has every right to declare it so. This is the central Reformation insight, recovered by Luther in the tower, treasured by the confessional Lutheran tradition for five centuries, and as necessary today as it was the day Luther first wrote it down.
For Sunday school teachers and Bible study leaders: when you teach a passage about righteousness, distinguish between the gift-righteousness (Paul’s dominant Pauline use in justification contexts) and the ethical righteousness (the fruit dimension, more prominent in some other passages). Both are real; both belong in your teaching. But the gift dimension is the foundation, and your students will not understand the ethical dimension rightly unless they have first heard the gift dimension clearly. The pastoral problem in most American churches is not that “righteousness” is being taught as ethics rather than gift; the problem is that “righteousness” is being taught as ethics without gift, leaving the listener with a moral demand and no resource for meeting it. The gospel begins by giving what the law demands.
For yourself: when you find yourself measuring your standing before God by your own holiness, your own track record, your own progress, the measurement is misdirected. The standard for your acceptance is Christ’s righteousness, given to you. The measurement is whether you are receiving His righteousness in faith. Pursue sanctification; bear fruit; live the Christian life. But when assurance is in question, do not look at your sanctification. Look at Christ. The righteousness that saves you is His, and it is yours.
The related entry on Dikaioo explores the verb by which God declares this righteousness yours. The two entries belong together — the noun for the gift, and the verb for the declaring. Other related entries explore the specific dimensions of what the gift includes: the propitiation accomplished at the cross (hilastērion), the reconciliation effected (katallagē), the “on behalf of” or “in place of” (hyper) that marks the substitutionary character, the forgiveness given (aphesis), and the salvation comprehended in the whole (sōzō).