Doctrine

Justification

Also known as: Justification by Faith, Dikaiosis, Sola Fide

Justification

“Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ” (Romans 5:1). Justification—God’s act of declaring the guilty sinner righteous on the basis of Christ’s atoning work, received through faith—stands at the heart of Christian theology, particularly in Protestant thought. The doctrine emerged from Paul’s wrestling with how Gentiles could enter God’s covenant people without Torah observance, became the central battleground of the Reformation (“the article by which the church stands or falls,” Luther declared), and continues to shape Christian understanding of salvation. Rooted in legal metaphor, justification declares the verdict of the final judgment now: “Not guilty.” But how? On what basis? Through what means? The answers have divided Christianity and defined its relationship to works, law, and grace.

Biblical Foundations

Old Testament Background

Righteousness Language: Hebrew tsedaqah (righteousness) and its verb tsadaq (to justify, declare righteous) have both forensic (legal) and relational dimensions. To be righteous is to be in right relationship with God and community, living according to covenant obligations.

Abraham’s Faith: The paradigm text appears in Genesis:

“And he believed the LORD, and he counted it to him as righteousness” (tsedaqah)” (Genesis 15:6).

Abraham’s trust in God’s promise—not his works, not circumcision (which comes later), not law-keeping (Torah not yet given)—is credited or reckoned as righteousness. This becomes Paul’s proof-text for justification by faith.

God as Judge: “Will not the Judge of all the earth do what is just?” (Genesis 18:25).

God is the righteous judge who vindicates the innocent and condemns the guilty. But what if all are guilty?

The Righteous Shall Live by Faith: “Behold, his soul is puffed up; it is not upright within him, but the righteous shall live by his faith (emunah)” (Habakkuk 2:4).

This prophetic declaration becomes foundational for Paul’s theology (Romans 1:17; Galatians 3:11) and the Reformation.

Justification in the Synoptic Gospels

Jesus uses justification language sparingly:

The Pharisee and Tax Collector (Luke 18:9-14): The tax collector, beating his breast, prays: “God, be merciful to me, a sinner!” Jesus declares: “I tell you, this man went down to his house justified, rather than the other.”

Justification comes through humble confession and trust in God’s mercy, not self-righteous works.

Justified by Words: “For by your words you will be justified, and by your words you will be condemned” (Matthew 12:37)—judgment based on what reveals the heart.

Paul’s Theology of Justification

Paul develops justification most fully, particularly in Romans and Galatians:

The Problem: Universal Sin: “For all have sinned and fall short of the glory of God” (Romans 3:23).

Jews and Gentiles alike stand condemned before God. Torah reveals sin but cannot remedy it: “By works of the law no human being will be justified in his sight, since through the law comes knowledge of sin” (Romans 3:20).

The Solution: God’s Righteousness: “But now the righteousness of God has been manifested apart from the law, although the Law and the Prophets bear witness to it—the righteousness of God through faith in Jesus Christ for all who believe” (Romans 3:21-22).

God’s own righteousness is revealed and given in Christ. This righteousness is:

  • Apart from law: Not earned through Torah observance
  • Through faith: Received by trust in Christ
  • For all: Available to Jews and Gentiles equally

The Means: Faith in Christ: “For we hold that one is justified by faith apart from works of the law” (Romans 3:28).

“Yet we know that a person is not justified by works of the law but through faith in Jesus Christ, so we also have believed in Christ Jesus, in order to be justified by faith in Christ and not by works of the law, because by works of the law no one will be justified” (Galatians 2:16).

Faith (pistis)—trust in, commitment to, union with Christ—is the sole instrument of justification. Not works, not law-keeping, not human effort.

The Basis: Christ’s Atoning Work: “[We] are justified by his grace as a gift, through the redemption that is in Christ Jesus, whom God put forward as a propitiation by his blood, to be received by faith” (Romans 3:24-25).

Justification rests on Christ’s substitutionary death. He bore the penalty for sin; his righteousness is credited to believers.

The Result: Peace with God: “Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ” (Romans 5:1).

Justification ends enmity, establishes relationship, provides assurance.

Abraham as Paradigm: Romans 4 expounds Genesis 15:6 at length:

  • Abraham justified before circumcision (so Gentiles can be justified)
  • Abraham justified before the law (so justification is not by Torah)
  • Abraham’s faith “counted as righteousness” (credited, imputed, reckoned)
  • Abraham believed God’s promise, trusting despite impossibility
  • Believers now, like Abraham, have righteousness credited through faith in Christ

The “New Perspective on Paul”: Recent scholarship (E.P. Sanders, James D.G. Dunn, N.T. Wright) argues Paul’s primary concern was not individual salvation but the inclusion of Gentiles in God’s people. “Works of law” are boundary markers (circumcision, food laws, Sabbath) that separate Jew from Gentile, not legalistic merit-earning. Justification declares who belongs to God’s covenant people—and it’s by faith, not ethnic/ritual identity.

Traditional Response: While recognizing the social dimension, traditional readings maintain Paul addresses the individual’s standing before God and the impossibility of earning righteousness through any human effort.

James: Faith and Works

James appears to contradict Paul:

“You see that a person is justified by works and not by faith alone” (James 2:24).

“For as the body apart from the spirit is dead, so also faith apart from works is dead” (James 2:26).

The Apparent Contradiction:

  • Paul: “Justified by faith apart from works of the law” (Romans 3:28)
  • James: “Justified by works and not by faith alone” (James 2:24)

Reconciliation:

  1. Different Opponents: Paul opposes legalism (earning salvation through law); James opposes dead orthodoxy (mere intellectual assent)
  2. Different Definitions: Paul’s “faith” is living trust; James’s “faith” (in his opponents) is mere belief. Paul’s “works” are law-works to earn merit; James’s “works” are evidence of genuine faith
  3. Different Emphases: Paul emphasizes the root (faith that justifies); James emphasizes the fruit (works that evidence justification)
  4. Same Example, Different Point: Both cite Abraham’s faith (Genesis 15:6). Paul uses it to show justification by faith; James uses Abraham’s offering of Isaac (Genesis 22) to show faith proved genuine by works

Resolution: Genuine faith inevitably produces works. Faith alone justifies, but justifying faith is never alone—it always bears fruit in obedience. Paul and James agree; they combat different errors.

Reformation: The Central Doctrine

Luther’s Discovery

Martin Luther’s spiritual crisis centered on justification:

The Problem: “How can I find a gracious God?”

Luther, an Augustinian monk, performed rigorous penances, confessed for hours, fasted and flagellated himself, yet found no assurance. “I was a good monk, and I kept the rule of my order so strictly that I may say that if ever a monk got to heaven by his monkery it was I.” Yet he remained terrified of God’s righteousness.

The Breakthrough: Studying Romans 1:17—“For in it the righteousness of God is revealed from faith for faith, as it is written, ‘The righteous shall live by faith’“—Luther experienced what he called his “tower experience”:

“I began to understand that the righteousness of God is that by which the righteous lives by a gift of God, namely by faith… Here I felt that I was altogether born again and had entered paradise itself through open gates.”

God’s righteousness is not the standard that condemns but the gift that saves. Righteousness is not achieved but received, not earned but imputed, not attained through works but granted through faith.

Sola Fide: Faith Alone

The Reformation rallied around sola fide (faith alone):

“We are justified by faith alone, but the faith that justifies is never alone” (Calvin).

The Doctrine:

  • Justification is by grace alone (sola gratia)
  • Received through faith alone (sola fide)
  • On the basis of Christ alone (solus Christus)
  • To the glory of God alone (soli Deo gloria)
  • According to Scripture alone (sola scriptura)

Against Rome: Protestants rejected the Catholic understanding that justification involves both God’s declaration and actual transformation, requiring cooperation with grace through sacraments and good works.

Two Imputations:

  1. Our sin imputed to Christ: He bore our guilt on the cross
  2. Christ’s righteousness imputed to us: We receive his perfect obedience

This “double transfer” or “great exchange” is justification.

Forensic Declaration: Justification is God’s legal verdict declaring the sinner righteous. It is forensic (courtroom metaphor), not transformative. It declares rather than makes righteous. Actual transformation is sanctification, a separate though related reality.

Catholic Response: Trent

The Council of Trent (1545-1563) addressed Protestant claims:

Justification Defined: “Justification is not remission of sins merely, but also the sanctification and renewal of the inward man” (Decree on Justification, Chapter 7).

Justification includes both God’s declaration and actual infusion of righteousness. Faith is necessary but not sufficient; hope and love must accompany it.

Faith and Works: “If any one saith, that the sinner is justified by faith alone… let him be anathema” (Canon 9).

Works cooperate with grace in justification. Sacraments convey justifying grace. Believers can increase in righteousness through obedience.

Merit: Good works performed in grace merit eternal life. While initial justification is God’s gift, believers cooperate with grace and thereby merit further grace.

Assurance: “No one can know with the certainty of faith, which cannot be subject to error, that he has obtained the grace of God” (Chapter 9).

Assurance is not presumptuous; one cannot know with certainty one is in grace.

Protestant Critique: Trent undermines the gospel by:

  • Making justification dependent on human cooperation
  • Confusing justification and sanctification
  • Denying assurance
  • Reintroducing works-righteousness
  • Obscuring the sufficiency of Christ’s work

Protestant Refinements

Lutheran: Justification is solely God’s forensic declaration. Sanctification follows but is distinct. Assurance is grounded in God’s promise, not subjective experience.

Reformed/Calvinist: Similar to Lutheran but emphasizes the decretal nature (God’s eternal decree) and adds the doctrine of double predestination (God chooses some for salvation, passes over others).

Arminian: Justification by faith alone, but faith is human response to grace (not irresistible). Apostasy is possible (can lose salvation).

Wesleyan: Justification by faith alone, but emphasizes entire sanctification as the goal. Assurance is normal Christian experience.

Modern Ecumenical Dialogue

Joint Declaration on Justification (1999)

Lutherans and Catholics signed an agreement stating:

“Together we confess: By grace alone, in faith in Christ’s saving work and not because of any merit on our part, we are accepted by God and receive the Holy Spirit, who renews our hearts while equipping and calling us to good works.”

Agreement:

  • Justification is by grace through faith
  • Not based on human merit
  • Christ’s work is the sole ground

Remaining Differences:

  • Forensic vs. transformative understanding
  • Faith alone vs. faith formed by love
  • Assurance
  • Merit and cooperation with grace

Significance: Indicates substantial agreement on core issues, though differences remain in articulation.

Jewish Perspective

Judaism does not have a doctrine of “justification” as Christianity understands it:

Different Framework:

  • Judaism emphasizes covenant faithfulness, not individual salvation
  • Righteousness (tsedaqah) is relational—right relationship with God and community
  • Observance of Torah is covenant response, not earning salvation
  • Atonement through repentance (teshuvah), prayer, and charity

Critique of Christian Justification:

  • Portrays Torah as burden or impossible standard
  • Misreads Paul (he wasn’t rejecting Judaism wholesale)
  • Individual salvation emphasis foreign to Jewish thought
  • “Justification by faith” can lead to antinomianism (lawlessness)

Abraham’s Faith: Genesis 15:6 affirms Abraham’s trust, but Genesis 22 (offering Isaac) shows faith demonstrated through obedience. Faith and works are inseparable.

Islamic Perspective

Islam has a different soteriology entirely:

Salvation in Islam:

  • Faith (iman) and righteous deeds both required
  • “Indeed, those who have believed and done righteous deeds…” (repeated Quranic formula)
  • No concept of original sin requiring atoning sacrifice
  • No mediator needed—direct relationship with Allah
  • Balance of hope in Allah’s mercy and fear of judgment

Critique of Justification:

  • Substitutionary atonement violates justice (each bears own sin)
  • “Faith alone” encourages moral laxity
  • Overemphasis on belief vs. action
  • Jesus’ death not salvific (God could simply forgive)

Day of Judgment: All stand before Allah; deeds are weighed. Allah’s mercy may save even the sinful Muslim, but righteousness matters. Intercession by Muhammad possible but not guaranteed. No “imputed righteousness.”

Theological Significance

The Heart of the Gospel

For Protestants, justification is the core of Christianity:

“When the article of justification has fallen, everything has fallen… This is the chief article from which all other doctrines have flowed” (Luther).

Without justification by faith:

  • Salvation depends on uncertain human effort
  • Assurance is impossible
  • Christ’s work is insufficient
  • Grace is no longer gracious
  • Boasting remains possible

Grace and Works

Justification clarifies the relationship:

Not Works → Justification → More Works But: Justification (by faith alone) → Works (as fruit and evidence)

“We are saved by faith alone, but the faith that saves is never alone” (Calvin).

Works do not contribute to justification but inevitably follow. Good works are:

  • Evidence of genuine faith (James)
  • Fruit of the Spirit’s presence (Galatians 5:22-23)
  • Preparation for judgment (rewarded, but not meriting salvation) (2 Corinthians 5:10)
  • Purpose for which God saves (Ephesians 2:10)

Assurance of Salvation

Justification grounds assurance:

“There is therefore now no condemnation for those who are in Christ Jesus” (Romans 8:1).

If justification is God’s verdict based on Christ’s work received by faith, believers can know they are saved. Looking to Christ, not to self; resting on his righteousness, not one’s own; trusting God’s promise, not subjective feelings.

Catholic/Orthodox traditions caution against presumption, emphasizing the need for perseverance. Protestant traditions emphasize the finished work of Christ and the reliability of God’s promise.

The Exclusivity of Christ

Justification by faith in Christ alone implies no other way to God:

“There is salvation in no one else, for there is no other name under heaven given among men by which we must be saved” (Acts 4:12).

This has profound implications for religious pluralism and interfaith dialogue.

Contemporary Relevance

Legalism and License

The twin errors justification guards against:

Legalism: Attempting to earn God’s favor through rule-keeping, morality, religious performance. Justification declares: “It is finished.” Christ has done it all; we contribute nothing.

Antinomianism (License): Presuming grace permits sin. Justification responds: True faith transforms, producing holiness. “Shall we continue in sin that grace may abound? By no means!” (Romans 6:1-2).

Self-Righteousness and Despair

Justification addresses both:

Self-Righteousness: “I’m a good person; I deserve God’s favor.” Justification levels all: “All have sinned.” No room for boasting.

Despair: “I’m too sinful; God could never accept me.” Justification declares: God justifies the ungodly (Romans 4:5). It’s not about your righteousness but Christ’s.

Social Implications

The New Perspective highlights justification’s corporate dimension: Who belongs to God’s people? Answer: Not those of particular ethnicity, ritual observance, or social status, but all who trust Christ. This has radical egalitarian implications, breaking down barriers (Galatians 3:28).

Significance

“He made him to be sin who knew no sin, so that in him we might become the righteousness of God” (2 Corinthians 5:21).

Justification answers humanity’s deepest need: How can the guilty stand before the holy God? How can sinners be reconciled to perfect righteousness? How can the lawbreaker escape condemnation?

The answer is not self-improvement, religious effort, moral achievement, or even sincere repentance and reform. The answer is gift—the alien righteousness of another, credited to the believer’s account. Christ’s perfect obedience and atoning death become ours by faith. God declares the verdict of the last day now: “Not guilty. Righteous in my sight.”

This is not legal fiction (God declaring righteous those who are not). It is legal reality based on union with Christ. United to him by faith, his status becomes ours: his death our death (penalty paid), his righteousness our righteousness (perfect obedience credited), his resurrection our resurrection (new life begun).

The Reformation cry echoes still: Sola fide—faith alone. Not faith plus works, not faith plus sacraments, not faith plus effort. Faith alone—the empty hand that receives the gift, the humble trust that stops striving and rests in Christ, the confident assurance that looks away from self to the Savior.

For the burdened conscience, the guilty heart, the striving soul, the despairing sinner—justification is liberation. “It is finished.” Christ has done it. God has declared it. Faith receives it. The impossible has occurred: the ungodly are justified, the guilty are pardoned, sinners stand righteous before the Judge of all the earth.

“Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ” (Romans 5:1).