The Cost of Discipleship

What The Cost of Discipleship is

The Cost of Discipleship is a book of pastoral theology built around an exposition of the Sermon on the Mount (Matthew 5–7) and a closing meditation on the church as the body of Christ. Bonhoeffer wrote it in 1936–37 while directing Finkenwalde, an underground seminary that trained pastors for the Confessing Church — the wing of the German Protestant church that refused to align with the Nazi state. The lectures that became the book were originally delivered to those young pastors.

In structure it is four parts. Part one lays out the famous distinction between cheap grace and costly grace and then walks through the Synoptic call narratives — the rich young ruler, the disciples leaving their nets, the single-mindedness Jesus asks of those who follow him. Part two is the long Sermon on the Mount exposition — the Beatitudes, the antitheses, the Lord’s Prayer, the parables, chapter by chapter. Part three is on the church’s mission (Matthew 10), and part four is on the visible community of disciples — baptism, the body of Christ, and what Bonhoeffer calls “the image of Christ” formed in the believer.

Why readers across traditions keep coming back to Bonhoeffer

The single biggest practical difference between The Cost of Discipleship and almost every other modern Christian classic is the conditions it was written under. Lewis wrote Mere Christianity from an Oxford study during a war he was not himself fighting in. Packer wrote Knowing God from a teaching post in a stable institutional church. Bonhoeffer wrote Nachfolge in a seminary the German state would shut down within months of publication, knowing — and saying out loud to his students — that following Jesus might cost them their pulpits, their freedom, or their lives. It cost him all three.

That context is why the book travels so well across traditions. Lutheran, Reformed, evangelical, Anglican, Catholic, and Orthodox readers have all claimed Bonhoeffer in turn, and progressive and conservative writers have argued over him for sixty years. The cheap-grace critique is the reason. It is not aimed at one tradition’s doctrine — it is aimed at the universal Christian temptation to keep the comforts of grace while quietly returning the demands of Christ. Almost every serious Christian reader, regardless of tradition, finishes the cheap-grace chapter feeling personally addressed. That is rare, and it is why the book endures.

Cheap grace vs. costly grace: the framework that outlived its century

The book’s opening pages contain the single most-photocopied passage in 20th-century Christian writing. Cheap grace, Bonhoeffer writes, is “the preaching of forgiveness without requiring repentance, baptism without church discipline, Communion without confession… grace without discipleship, grace without the cross, grace without Jesus Christ, living and incarnate.” 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… it is costly because it costs a man his life, and it is grace because it gives a man the only true life.” The framework is short — under fifteen pages — and the rest of the book is in many ways an extended application of it.

What makes the distinction so durable is that it does not depend on any one tradition’s doctrinal system to land. A Lutheran reader hears it as a recovery of Luther’s actual position against a watered-down Lutheranism. A Reformed reader hears it as a sanctification corrective. An evangelical reader hears it as a rebuke to easy-believism. A Catholic reader hears it as continuous with the long tradition of imitatio Christi. An LDS reader hears it as a serious account of taking up the cross daily. None of those readings are wrong, and Bonhoeffer is not arguing against any of them. He is arguing against the universal human instinct to keep the comforts of grace while quietly setting down the cross — and that is an argument that has not aged.

The Sermon on the Mount: the bulk of the book, and the reason pastors keep teaching from it

More than half of The Cost of Discipleship is a passage-by-passage walk through Matthew 5–7. Bonhoeffer takes the Beatitudes one at a time, then the antitheses (“you have heard it said… but I say to you”), then the teaching on prayer, fasting, possessions, judgment, and the narrow gate. He is not writing a technical commentary — there is almost no Greek, no source-critical discussion, no comparison to Luke’s parallel sermon. What he is doing is asking, line by line, what Jesus is asking of the people in front of him, and refusing to let the text be softened by the standard moves (“this is an ideal,” “this is for a future age,” “this is for monks, not laypeople”).

The result is the rare Sermon on the Mount exposition that does not blunt its edges. Bonhoeffer takes “turn the other cheek,” “do not store up treasures on earth,” and “you cannot serve God and money” and refuses to let them mean less than they say. He does this without becoming a legalist — the costly-grace framework keeps the whole exposition tethered to the gospel — and without becoming an ascetic. It is simply a serious adult reading of a text most readers have heard since childhood, and the cumulative effect, over two hundred pages, is the experience most readers describe as the reason they finished the book changed.

Touchstone vs. DBWE: which translation to actually buy

There are two English versions of this book in print, and the choice between them is real. The Touchstone edition (Simon & Schuster) uses R. H. Fuller’s 1948 translation, lightly revised in 1959. It is the version almost every existing quote is pulled from, including the famous “when Christ calls a man, he bids him come and die.” It is more readable, more compact, and under $17 in paperback. The Discipleship volume in the Dietrich Bonhoeffer Works English (DBWE) series, published by Fortress, is the critical edition — translated by Barbara Green and Reinhard Krauss, with restored material, full editorial apparatus, and Bonhoeffer’s own preface to the first edition. It runs around $25 in paperback and $45 in hardcover.

For a first read, the Touchstone paperback is the right book. The Fuller translation is the one quoted in every sermon and seminary lecture on this material, and the price point makes it the easy recommendation for small groups. The DBWE edition is the right book for a second read — for pastors preaching through it, for seminary students writing on Bonhoeffer, or for anyone who wants the restored passages and the scholarly footnotes. The DBWE is also the one to buy if you are reading Bonhoeffer at length and want the rest of the series (Life Together, Letters and Papers from Prison, Ethics) in matching critical editions on your shelf.

Pricing

Where The Cost of Discipleship falls behind

No study guide. Neither the Touchstone nor the DBWE edition ships with discussion questions, leader notes, or a session plan. Small groups using this book have to build their own framework — which is doable, especially around the cheap-grace chapter and the Sermon on the Mount sections, but it is real work the publisher has never done.

Dated historical references. Bonhoeffer assumes his readers know the German state-church situation of 1937 — the Reich Church, the German Christians, the Confessing Church’s stance, the role of Finkenwalde. The Touchstone edition does not annotate any of it. Readers without background in 20th-century German church history will occasionally feel the book is talking past them, and a single-paragraph editorial introduction would have fixed it.

Limited engagement with the Old Testament. The book is almost entirely a Synoptic Gospels exposition with some Pauline supplement. Bonhoeffer’s Old Testament work is in his other writings (the Creation and Fall lectures, the Psalms book). A reader looking for a whole-canon treatment of discipleship will not find it here.

The polemical 1930s edges. A handful of passages are clearly aimed at specific opponents Bonhoeffer was facing in the German state church and can read as more combative than the rest of the book. They are not the bulk of the text, and most readers move through them without losing the argument, but they are there.

Lutheran scaffolding by default. Bonhoeffer’s framing of law and gospel, justification, and the church’s visible community runs along Lutheran lines. Readers from Reformed, Catholic, evangelical, Anglican, Orthodox, or LDS backgrounds will recognize the difference at points; almost none of them find it blocks the argument, but it is the scaffolding.

The Cost of Discipleship vs. Mere Christianity vs. Knowing God

These are the three modern Christian classics most likely to end up in the same recommended-reading list, and they do genuinely different work. Different strengths. Mere Christianity (Lewis, 1952) is the apologetic on-ramp — the book to give someone who is asking whether Christianity is true. Knowing God (Packer, 1973) is the doctrinal soul — the book on the character of God, written for the believer who wants to know who they are following. The Cost of Discipleship is the call — the book that asks the already-convinced reader what following Jesus is actually going to cost them.

Lewis is the most accessible. Packer is the most theologically systematic. Bonhoeffer is the most pastorally demanding. A reader who finishes all three has, in effect, walked the road from “is this true” to “who is this God” to “then what does it cost to follow him.” Most pastors who recommend the trio recommend them in roughly that order.

If you have to pick one, the choice tracks your question. If you are sorting out whether Christianity is reasonable, start with Lewis. If you want to know the God you are praying to, start with Packer. If you are already in and want the next step, start with Bonhoeffer. The Cost of Discipleship is the one most likely to interrupt a comfortable Christian life, which is both its strength and the reason it is the slowest read of the three.

Alternatives to The Cost of Discipleship