Benedict and the practice of the Christian life -- Augustine, God, and human nature: the theory of the Christian life -- Thomas Aquinas: natural law and the loss of Christian ethics -- Martin Luther: against ethics -- Butler, Kant, and Kierkegaard: the turn to the subject -- Nietzsche and the genealogists: suspecting the subject -- Karl Barth and John Paul II: the rediscovery of Christian ethics -- History in the present: genetics, philosophy, and Christian life