The gospel announces forgiveness of sins by grace alone: God forgives sinners and declares them righteous through trust in Jesus Christ, not religious performance. In Protestant teaching, Christ’s righteousness is credited to believers through faith alone.
I begin with this distinction because your standing before God doesn’t rest on a flawless record. Paul’s letters explain why Christ gives guilty people grounds for peace.
What justification by faith means
The Greek verb dikaioo means to justify or declare righteous. In Paul’s courtroom language, justification is God’s legal declaration that acquits guilty sinners because of Christ.
Christ’s obedience, sacrificial death, and resurrection are the basis of justification. The righteousness of Christ is received as a gift through faith. Faith doesn’t earn God’s approval, and merely agreeing that Jesus existed isn’t the same as trusting Him.

Key Bible passages about justification
Romans 3 through 5: righteousness received
Romans 3:28 teaches that a person is justified by faith apart from works of the law. Keeping God’s commandments cannot erase guilt or establish a claim on His mercy.
Romans 4:3 quotes Genesis 15:6: “Abraham believed God, and it was counted to him as righteousness” (ESV). The Greek logizomai can mean counted, credited, reckoned, or imputed. Abraham received righteousness through believing God’s promise.
Romans 5:1 then states the result: those justified through faith have peace with God through Jesus Christ. Meanwhile, Romans 5:19 contrasts Adam’s disobedience, which made many sinners, with Christ’s obedience, through which many are made righteous.
Galatians and other letters: Christ supplies righteousness
Galatians 2:16 says people aren’t justified by works of the law but through faith in Jesus Christ. Paul opposed requiring Gentile believers to adopt Jewish law observance as a condition of acceptance.
In 2 Corinthians 5:21, God makes the sinless Christ to be sin for us so that, in Him, we might become God’s righteousness. Protestants understand this as supporting imputation, the teaching that the righteousness of Christ is credited to believers.
Similarly, Philippians 3:9 contrasts Paul’s own law-based righteousness with righteousness from God through faith in Christ. Ephesians 2:8-9 and Titus 3:5 also exclude human works as salvation’s basis.
Justification and sanctification work together
Justification concerns your standing before God. In Protestant teaching, God declares the believer righteous immediately through faith. Sanctification includes being set apart for God and lifelong growth in holiness through the Holy Spirit.
These belong together through union with Christ, but growth never becomes the price of acceptance.
James 2:14-26 challenges a claimed faith that leaves people unchanged. Paul rejects works as the basis of justification; James rejects a lifeless profession without action. Protestants therefore understand good works as evidence of living faith.
I apply that distinction to confession and obedience: apologizing after an angry exchange matters, but it doesn’t purchase forgiveness.
Why Christians differ about justification
The Reformation’s emphasis on faith alone
Martin Luther called Christ’s imputed righteousness “alien righteousness,” meaning righteousness outside ourselves. Sola fide means faith alone; sola scriptura identifies Scripture as the final authority.
R.C. Sproul described these as unifying evangelical doctrines. He called justification by faith alone the Reformation’s “material cause,” its central doctrinal issue. The Protestant position distinguishes God’s immediate declaration from the inward transformation that follows. This distinction became central to the Reformation debate.
Catholic teaching and the Council of Trent
The Council of Trent’s response to Protestantism defined Catholic teaching on disputed doctrines. Session six addressed justification through a decree and canons carrying anathemas.
It called faith initium, fundamentum, and radix: the beginning, foundation, and root of justification. Catholic teaching joins forgiveness with inward renewal through grace, ordinarily received initially in baptism.
Sproul contrasted Protestant imputation with Catholic teaching about infused grace, cooperation, penance with satisfaction, and congruous and condign merit. These merit categories presuppose grace, rather than independent human achievement.
Catholicism teaches that initial justification is unearned, but rejects faith alone as Protestants define it. It also teaches that mortal sin can forfeit justifying grace, with restoration through repentance and the sacrament of penance.
Key Takeaways
- God justifies sinners because of Jesus Christ, not their moral achievements.
- Faith receives righteousness; it doesn’t supply a substitute achievement.
- Good works follow living faith, while the Holy Spirit shapes believers over time.
Frequently Asked Questions
Does doubt mean you aren’t justified?
Doubt alone doesn’t establish that conclusion. First John 5:11-13 grounds assurance in life through God’s Son. Romans 8 connects freedom from condemnation and adoption with Christ and the Spirit’s witness.
In Spiritual Depression (1965), Martyn Lloyd-Jones linked some Christians’ misery to misunderstanding justification. That observation shouldn’t turn emotional suffering into proof of weak faith. I encourage you to begin with Christ’s promise rather than constantly measuring your feelings.
Does faith make repentance unnecessary?
A brief reading of Acts 20:21 in the Amplified Bible (AMP) connects repentance toward God with faith in Jesus. Repentance means turning from sin toward God, not promising flawless behavior. Saving faith receives Christ’s mercy and responds to His authority.
Rest in Christ’s finished work
Justification by faith directs your confidence to Christ alone and his finished work. His righteousness gives believers grounds for peace with God.
Obedience matters because grace changes people. Yet your progress never becomes the foundation of God’s acceptance. Where can you rest in Christ’s finished work today?
If you’d like prayer or help understanding faith in Jesus, call Praise Chapel at (281) 338-6633 or contact our church.







