"Only he who believes is obedient, and only he who is obedient believes," wrote Dietrich Bonhoeffer in his classic work, The Cost of Discipleship. What does it mean to be a disciple of Christ? Is it enough to believe? What part does obedience play? These are the questions that Dietrich Bonhoeffer wrestled with for the whole of his life. Sorting through Bonhoeffer's questions and the answers he found will profoundly enrich your Christian...