Martin Luther spent years searching for assurance of salvation before coming to the understanding that a sinner is justified by grace through faith in Jesus Christ, apart from personal works, religious merit, or payment. This conviction placed him in opposition to the Roman Catholic system of indulgences, which presented spiritual benefits as something that could be obtained through financial contributions.

Pope Leo X authorized a major indulgence campaign in Germany, overseen by Albert of Brandenburg and promoted by Johann Tetzel. Tetzel taught that indulgence certificates could reduce punishment for the living and even release deceased loved ones from purgatory. The money raised was divided between Rome’s rebuilding of St. Peter’s Basilica and Albert’s financial obligations. In practice, fear, grief, and concern over judgment were used as fundraising tools.

Tetzel’s message contradicted central biblical doctrines. Salvation is a gift of grace received through faith, redemption cannot be purchased with silver or gold, forgiveness comes through Christ’s blood, and repentance cannot be replaced by payment or religious paperwork. Jesus Christ is the only mediator between God and man, His sacrifice is sufficient, and no person can purchase the redemption of another soul. The gospel must never be treated as merchandise.

Luther recognized that indulgences did more than raise money; they gave people false confidence that sin and judgment could be handled through church-controlled transactions. On October 31, 1517, he presented the Ninety-Five Theses at the All-Saints’ Church in Wittenberg. His first thesis declared that the entire Christian life should be one of repentance, directly challenging Tetzel’s promise of spiritual security through payment.

Pastor John also examines the medieval use of relics. Churches displayed bones, clothing, fragments, and other objects believed to be connected with Jesus, the apostles, or recognized saints. These relics became associated with pilgrimages, prayers, indulgences, and spiritual merit. Frederick the Wise possessed an enormous relic collection in Wittenberg, which drew crowds on All Saints’ Day. Luther objected because people were being taught to trust in relics, pilgrimages, indulgence letters, and prescribed devotions instead of the finished work of Jesus Christ.

The rapid printing and distribution of the Ninety-Five Theses transformed an academic dispute into a major controversy. Luther’s challenge eventually moved beyond the abuse of indulgences to the greater issue of whether the pope had authority to establish doctrine contrary to Scripture. The central message remains that forgiveness belongs to God, salvation is by grace through faith, Christ alone is the mediator, and the gospel is not for sale.

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