Forgiveness marks one of the most important issues of our time. If the enormous number of books and articles are a measure, then forgiveness–our forgiveness of others and forgiveness for ourselves–appeals to our deepest concern. It's a challenge to determine just what we mean when we speak of «forgiveness.» Any discussion will reveal that our shared understanding and practices of forgiveness quickly diverge. For example, is it the same thing to forgive a child, a criminal, a malicious...