Does theological ethics articulate moral norms with the assistance of moral philosophy? Or does it leave that task to moral philosophy alone while it describes a distinctively Christian way of acting or form of life? These questions lie at the very heart of theological ethics as a discipline. Karl Barth's theological ethics makes a strong case for the first alternative. Karl Barth's Moral Thought follows Barth's efforts to present God's grace as a moral norm in his treatments of divine commands, moral reasoning, responsibility, and agency. It shows how Barth's conviction that grace is the...