Martin Luther (1483–1546) was a German monk and Bible professor whose rediscovery of salvation by grace through faith launched the Protestant Reformation. His 95 Theses against indulgences in 1517 sparked a debate that spread across Europe, and his refusal to recant at the Diet of Worms in 1521 made him an outlaw. He translated the Bible into German, wrote hymns and catechisms, and left a legacy that still shapes the church today.
A Miner’s Son Who Became a Monk
Luther was born on November 10, 1483, in Eisleben, in what is now Germany, and grew up in nearby Mansfeld, where his father, Hans, worked his way up in the copper-mining business. Hans wanted his son to become a lawyer, and Martin earned his master’s degree at the University of Erfurt in 1505 before beginning law studies.
That summer everything changed. On July 2, 1505, caught in a violent thunderstorm near the village of Stotternheim, Luther was thrown to the ground by a nearby lightning strike and cried out, “Help, Saint Anne! I will become a monk.” Two weeks later, to his father’s fury, he entered the strict Augustinian monastery in Erfurt. He was ordained a priest in 1507.
Luther threw himself into monastic life with intensity. He fasted, prayed, and went to confession so often and for so long that his superior grew exasperated. Yet the harder he tried, the more he feared God’s judgment. He later said that if any monk could have reached heaven by monkery, he would have been that monk. His wise mentor, Johann von Staupitz, kept pointing him to Christ’s wounds instead of his own performance, and he assigned Luther to teach the Bible.
Discovering the Righteousness of God
In 1512 Luther earned his doctorate in theology and became a professor of Bible at the new University of Wittenberg. Over the next several years he lectured on the Psalms, Romans, Galatians, and Hebrews, and the Scriptures slowly reshaped his understanding of the gospel. One phrase troubled him more than any other: “the righteousness of God.” He had understood it as the standard by which God punishes sinners, and he confessed that he had come to hate that righteous God.
Romans 1:16-17 For I am not ashamed of the gospel, because it is the power of God that brings salvation to everyone who believes: first to the Jew, then to the Gentile. For in the gospel the righteousness of God is revealed—a righteousness that is by faith from first to last, just as it is written: “The righteous will live by faith.”
As he meditated on this passage, Luther came to see that the righteousness of God is not only something God demands but something God gives, freely, to those who trust in Christ. In a 1545 preface to his works, he recalled that he “felt that I was altogether born again and had entered paradise itself through open gates.” Historians debate exactly when this breakthrough happened, with estimates ranging from about 1514 to 1519, and it probably unfolded over time. But it became the heart of everything Luther taught: we are made right with God not by our efforts but by faith in what Jesus has done.
The 95 Theses
Luther’s new understanding soon collided with the indulgence trade. In Catholic teaching, an indulgence released a person from temporal punishment for sins already forgiven, including time in purgatory, and could be applied to the dead. In 1517 the preacher Johann Tetzel was selling indulgences near Wittenberg to help fund the rebuilding of St. Peter’s Basilica in Rome and to repay a large debt owed by Archbishop Albrecht of Mainz. His preaching left many people convinced they could buy forgiveness for themselves and release loved ones from purgatory.
On October 31, 1517, Luther sent Albrecht a letter along with 95 theses, or points for academic debate, questioning the power and abuse of indulgences. The first thesis set the tone: when Jesus said “Repent,” he willed the entire life of believers to be one of repentance.
Matthew 4:17 From that time on Jesus began to preach, “Repent, for the kingdom of heaven has come near.”
Did Luther nail the theses to the door of the Castle Church in Wittenberg? The story comes from his colleague Philip Melanchthon, writing after Luther’s death, and some historians doubt it, though posting notices on that door was a normal way to announce a university debate. Either way, the printing press did the rest. Within weeks the theses had been reprinted and translated into German, and Luther was suddenly famous.
“Here I Stand”
Luther hadn’t set out to leave the church; he wanted to reform it. But the debate quickly widened to the authority of the pope. At Leipzig in 1519, Johann Eck pushed Luther into admitting that popes and church councils could err, and that even Jan Hus had taught some things that were true. In 1520 Luther wrote three treatises calling for reform, criticizing the sacramental system, and explaining The Freedom of a Christian, where he argued that faith alone unites us to Christ, and good works flow from that faith rather than earning it.
Ephesians 2:8-9 For it is by grace you have been saved, through faith—and this is not from yourselves, it is the gift of God—not by works, so that no one can boast.
Pope Leo X threatened Luther with excommunication in June 1520, and that December Luther publicly burned the papal bull. He was formally excommunicated in January 1521. In April he appeared before Emperor Charles V at the Diet of Worms and was asked to recant his books. After a night to consider, he replied that unless he was convinced by Scripture and plain reason, his conscience was “captive to the Word of God,” and he could not and would not recant. The famous words “Here I stand, I can do no other” appear in early printed versions, though they may not have been spoken exactly that way. The emperor soon declared him an outlaw.
The Wartburg and a Bible for the People
On his way home, Luther was “kidnapped” by soldiers sent by his protector, Elector Frederick the Wise, and hidden in the Wartburg Castle. Disguised as a knight called Junker Jörg, he grew a beard and got to work. In about eleven weeks he translated the New Testament from Greek into lively, everyday German. Published in September 1522, it sold thousands of copies, and the complete Bible followed in 1534. Luther’s translation helped shape the modern German language and gave ordinary people direct access to Scripture.
Luther returned to Wittenberg in 1522 to calm radical reformers who were smashing images and forcing changes. He preached patience and persuasion through the Word. Over the following years he wrote hymns, including “A Mighty Fortress Is Our God,” based on Psalm 46, and in 1529 he published his Small and Large Catechisms to help families learn the faith at home. He championed what became known as the priesthood of all believers, the conviction that every Christian has direct access to God through Christ.
Psalm 46:1-3 God is our refuge and strength, an ever-present help in trouble. Therefore we will not fear, though the earth give way and the mountains fall into the heart of the sea, though its waters roar and foam and the mountains quake with their surging.
Luther knew what it meant to live under threat, with a price on his head and powerful enemies on every side. Yet his hymn doesn’t celebrate his own courage. It celebrates God as the refuge and strength who stands with his people when everything else is shaking, and that confidence carried him through the turbulent years ahead.
Marriage, Controversy, and Final Years
In 1525 Luther married Katharina von Bora, a former nun who had escaped her convent. Their home was full of children, students, and guests, and their marriage helped model Protestant family life. But the same year revealed Luther’s darker side. During the Peasants’ War, he first urged rulers to address real injustices, then wrote a violent tract urging princes to crush the rebels. In 1529 he clashed with Ulrich Zwingli at Marburg over the Lord’s Supper, a story told in Lesson 5. And in his later years, Luther wrote vicious attacks on the Jewish people, including the 1543 treatise On the Jews and Their Lies. Lutheran church bodies have rightly repudiated those writings. Luther was a sinner saved by grace, and his failures remind us not to make heroes into saviors.
Luther died on February 18, 1546, in Eisleben, the town where he was born. A slip of paper found afterward contained his last written words: “We are beggars. This is true.” It was a fitting summary of a man who knew he brought nothing to God but need.
His legacy is enormous. The principles later summarized as the Five Solas grew from his teaching, and the broader movement is explained in What Was the Protestant Reformation?. Two centuries later, John Wesley felt his heart “strangely warmed” while hearing Luther’s preface to Romans read aloud, a moment that helped fuel the Great Awakenings. Differences with Catholics remain, as explored in What’s the Difference Between Catholics and Protestants?, but in 1999 Lutherans and Catholics signed a Joint Declaration on the Doctrine of Justification, finding significant common ground on the question that once divided them.
The Takeaway
Martin Luther was a German monk who discovered in Scripture that God’s righteousness is a gift received by faith, not a reward we earn. His 95 Theses, his stand at Worms, and his German Bible helped launch the Protestant Reformation. He had real flaws, but his core message still rings true: we are beggars before God, and Jesus freely gives us everything we need for salvation.
https://www.pursuegod.org/history-makers-of-the-reformation/
