In short, Bonhoeffer was questioning the new values of the twentieth century regarding the estimation of life. Or maybe there’s nothing all that new about twentieth-century perspectives after all. Bonhoeffer saw implications within an orthodox christology for how one lives. By coming to grips with our own sinfulness we cultivate a little humility. By coming to grips with Christ’s humiliation and his taking on flesh and fully identifying with us, we cultivate a little more humility (Philippians 2).
Page 49