The alternative to forgiveness, but by no means its opposite, is punishment, and both have in common that they attempt to put an end to something that without interference could go on endlessly. It is therefore quite significant, a structural element in the realm of human affairs, that men are unable to forgive what they cannot punish and that they are unable to punish what has turned out to be unforgivable.

The Human Condition: Second Edition (ed. University of Chicago Press, 2013) - ISBN: 9780226924571