Sanctification – What Did Luther and Calvin Say?

Brothers,

As we study Santification in Roman’s 6–8, I thought it would be helpful to see how faithful men from church history wrestled with these same passages. Two of the most influential Reformers, Martin Luther and John Calvin, both built their theology on Scripture alone, yet they emphasized different aspects of the Christian life. Their differences aren’t contradictions, but subtle variations that can sharpen our understanding of sanctification.

Both men viewed Romans 6–8 as a cornerstone of Christian living:

  • Romans 6 shows that we have died to sin and are alive in Christ.
  • Romans 7 shows the believer’s ongoing battle with indwelling sin.
  • Romans 8 shows the power of the Holy Spirit and the hope of glory.

They agreed on the essentials—justification by faith alone and sanctification through the Spirit—but they approached these chapters with unique pastoral and theological emphases.

Luther: The Struggling Christian Strengthened by Grace

Luther read Romans with a heart for the weak and weary. For him, sanctification is a daily battle that flows from union with Christ. Romans 6 reminded him that the “old Adam” has been drowned in baptism, but still thrashes around. Every day is a return to the cross—dying to sin and rising to new life.

When Luther read Romans 7, he heard the genuine cry of a believer: “Wretched man that I am!” To him, this was not the voice of an unbeliever but the honest experience of every Christian fighting sin. This meant that ongoing struggle does not disprove faith—it confirms it.

Romans 8 was for Luther a chapter of comfort. The Spirit helps weak believers, assures them of their adoption, and keeps them anchored in the truth that there is now no condemnation for those in Christ. His overall tone is one of encouragement: we are weak, but Christ is strong.

Calvin: The Transformed Christian Led by the Spirit

Calvin’s emphasis is slightly different. While he agreed with Luther about the believer’s struggle, he stressed the renewing power of the Holy Spirit and the believer’s growth into Christlikeness.

In Romans 6, Calvin saw a decisive break with sin. Because we are united to Christ, the old self is not only weakened but dethroned. Sanctification, for Calvin, means actively putting sin to death (mortification) and actively living unto righteousness (vivification).

Calvin also believed Romans 7 describes the believer, but he highlighted the inward war between flesh and Spirit. This conflict is evidence of new life, not the absence of it.

When Calvin reached Romans 8, he emphasized the Spirit’s leadership. The Spirit not only comforts but transforms, leading Christians into real obedience and pressing them forward toward glory. His tone is a bit more focused on spiritual progress and renewal than Luther’s.

Same Gospel, Different Emphases

Both Calvin and Luther upheld the same gospel: salvation by grace alone through faith alone in Christ alone. Both saw sanctification as inseparable from justification. But they turned the diamond of Scripture slightly differently.

Luther emphasized comfort, dependence, and the believer’s ongoing struggle.
Calvin emphasized renewal, transformation, and the Spirit’s empowering work.

Both perspectives are faithful and helpful. Together, they give us a fuller picture of what it looks like to live out Romans 6–8 as Christian men.

Why This Matters for Men Today

The Christian life is both a battle and a transformation. Luther helps us see our weakness honestly without despair. Calvin helps us see our calling to grow in holiness without falling into self-reliance. We need both voices because Scripture calls us to both: to fight and to follow, to struggle and to grow, to repent daily and to press forward in the Spirit’s power.

Take “The Word Became Flesh” seriously by going beyond reading the bible, test scripture through prayer and study. For me, looking for answers in the writings of men that have worked for two thousand years to bring light (and application) to the word helped with my understanding. There is a reason most of the first libraries were built around churches, and universities taught Greek and Hebrew. Don’t just take my summary—explore these writings for yourself.

Helpful places to start:

Martin Luther’s Writings

John Calvin

Brothers, may God give you strength as you pursue holiness, as the spirit continues to refine us.


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