Walter Kasper contends that mercy is one of those words that we use without really grasping its profundity.
Some questions won't go away. The creed says Jesus was crucified "for us," but what do those two little words mean? What good is the cross?
Looking back to history to find yet another approach to atonement will not solve the problem, but a reconsideration of the physical or mystical theory of how Christ saves us might contribute to more fruitful and civil conversation.