Dietrich Bonhoeffer
1906 – 1945
German pastor and theologian who opposed the Nazi regime and was executed for his role in the resistance. His writings on costly grace, Christian community, and ethics remain profoundly challenging.
Brilliant Young Theologian
Born into an upper-class Berlin family, Bonhoeffer earned his doctorate in theology at age 21. A year at Union Theological Seminary in New York exposed him to the African-American church tradition in Harlem, which deepened his understanding of faith as concrete, embodied, and tied to justice. He returned to Germany as one of the most promising young theologians in Europe. Bonhoeffer’s doctoral dissertation, Sanctorum Communio (“The Communion of Saints”), was a study of the Church as a sociological and theological reality. Karl Barth, who became the most important theological influence on Bonhoeffer’s career, called it “a theological miracle.” The dissertation argued that the Church is not merely an institution or a voluntary association but “Christ existing as community” — a claim that would shape everything Bonhoeffer subsequently wrote about Christian life, ethics, and resistance. His time in Harlem was transformative. Bonhoeffer attended Abyssinian Baptist Church, where he encountered a Christianity that was joyful, communal, politically engaged, and rooted in the experience of suffering. The contrast with the bourgeois German Protestantism he had known was stark. This experience gave him an instinctive sympathy for the oppressed that would prove decisive when the Nazis came to power. It also connected him, spiritually if not directly, to the tradition that would later produce Martin Luther King Jr.
Confessing Church & Resistance
When the Nazis came to power, Bonhoeffer was among the first to speak out — delivering a radio address warning against the “Führer principle” just two days after Hitler became chancellor. He helped found the Confessing Church, which opposed the Nazi-controlled “German Christians,” and ran an underground seminary at Finkenwalde. His 1937 book The Cost of Discipleship — with its famous distinction between “cheap grace” and “costly grace” — challenged a church that had made its peace with evil. The Confessing Church emerged from the Barmen Declaration of 1934, principally authored by Karl Barth, which declared that the Church owes allegiance to Christ alone and cannot submit to any political ideology. Bonhoeffer’s role in the movement was both theological and practical: he trained pastors at Finkenwalde in a community marked by rigorous biblical study, shared worship, and the practice of personal confession — an experiment in Christian community that he described in his book Life Together. The distinction between cheap and costly grace is one of the most influential concepts in modern theology. “Cheap grace,” Bonhoeffer wrote, “is the preaching of forgiveness without requiring repentance, baptism without church discipline, communion without confession.” It is “grace without discipleship, grace without the cross.” Costly grace, by contrast, “is the gospel which must be sought again and again, the gift which must be asked for, the door at which a man must knock.” This passage, with its unmistakable echoes of Martin Luther’s theology of the cross, challenged not only the German churches of the 1930s but every form of comfortable, accommodated Christianity — a challenge that Soren Kierkegaard had issued to Danish Christendom a century earlier.
Conspiracy & Martyrdom
Bonhoeffer made the agonizing decision to join the Abwehr conspiracy to assassinate Hitler, knowing it contradicted his pacifist convictions. He was arrested in April 1943 and spent two years in prison, where he wrote the remarkable Letters and Papers from Prison — theological reflections on a “world come of age” and “religionless Christianity” that anticipated many themes of postwar theology. After the failure of the July 20, 1944, assassination plot, the full extent of his involvement was discovered. He was hanged at Flossenburg on April 9, 1945 — just two weeks before the camp was liberated. Bonhoeffer’s decision to participate in the conspiracy poses one of the most profound ethical dilemmas in Christian history. He had written extensively about the Sermon on the Mount and the call to nonviolence. Yet he concluded that in a situation of radical evil, the responsible Christian cannot remain a bystander. “The ultimate question for a responsible man,” he wrote, “is not how he is to extricate himself heroically from the affair, but how the coming generation shall continue to live.” This reasoning — the willingness to incur guilt for the sake of others — represents a form of moral seriousness that few ethicists, before or since, have matched. His Letters and Papers from Prison are among the most provocative theological documents of the twentieth century. Written in fragments and never systematically developed, they raise questions about the future of Christianity that theologians are still wrestling with. What does it mean to speak of God in a world that no longer needs the “god of the gaps”? What would a “religionless Christianity” look like — a faith stripped of metaphysical props and institutional privileges, lived out in solidarity with the suffering world? These questions, deeply shaped by Bonhoeffer’s reading of Karl Barth and by his own experience of radical evil, remain urgently relevant.
Legacy & Continuing Influence
Bonhoeffer’s life and death have made him one of the most compelling Christian figures of the 20th century. His theology — which insists that faith without obedience is not faith at all — challenges comfortable Christianity in every generation. His unfinished Ethics points toward a theology fully engaged with the world. Martin Luther King Jr. was deeply influenced by Bonhoeffer’s example, and his witness is invoked wherever Christians confront tyranny. Bonhoeffer’s influence crosses every denominational boundary. The Lutheran Church claims him as one of its greatest modern theologians. The Catholic Church has drawn on his theology of community and his emphasis on costly discipleship. The Eastern Orthodox theologian Alexander Schmemann found in Bonhoeffer a kindred spirit in the rejection of cheap religion. Timothy Keller frequently cited Bonhoeffer’s understanding of grace in his preaching at Redeemer Presbyterian. His writings have been translated into dozens of languages and continue to inspire Christians in contexts of persecution around the world. The camp doctor at Flossenburg, who witnessed Bonhoeffer’s execution, later wrote: “I saw Pastor Bonhoeffer kneeling on the floor, praying fervently to his God. I was most deeply moved by the way this lovable man prayed, so devout and so certain that God heard his prayer. In the almost fifty years that I have worked as a doctor, I have hardly ever seen a man die so entirely submissive to the will of God.” It is a testimony that connects Bonhoeffer to the long line of Christian martyrs from Peter the Apostle to the present day, and it gives his theology of costly grace the weight of blood.
“Cheap grace is the deadly enemy of our Church. Costly grace is the gospel which must be sought again and again.— Dietrich Bonhoeffer
Known For
- The Cost of Discipleship
- Life Together
- Letters and Papers from Prison
Key Works
Influenced By
- Martin Luther
- Karl Barth
- African-American Church Tradition
Influenced
- Martin Luther King Jr.
- Jürgen Moltmann
- Stanley Hauerwas