" But there is also a depth-psychology which can discover in physical sickness a spiritual guilt, a person’s covert acquiescence in being bound by the “strong man” in such a way that he cannot break free. Here Jesus starts by loosing the spiritual bond: the first thing he says to the lame man who is set before him is: “My son, your sins are forgiven you,” and only after his power to forgive sins has been called into question does he utter the second word (which was in principle included in the first): “Rise, take up your pallet and go home” (Mt 2:5, 11). To the sick man by the pool, whom Jesus knew to have been “lying there a long time”, he gave this admonition: “See, you are well! Sin no more, that nothing worse befall you” (Jn 5:6, 14). The "

― Hans Urs von Balthasar , Does Jesus Know Us--Do We Know Him?