In the parable of the Prodigal Son, the father, having received his penitent son who has returned to him, falls on his neck and kisses him as a sign of forgiveness; after this he orders that he be dressed and a bright, joyful feast be prepared. His parental heart was not satisfied with only forgiving - it wanted to decisively assure his son of his peace with him and express more strongly his joy at seeing him after being so sorrowfully separated from him. For his fatherly love gave his son what he had not even hoped for. What sinner could expect something grand after receiving forgiveness? But he is nevertheless invited to the Lord's Supper, where the Lord Himself gives him His Body to eat and His Blood to drink. This is the crown of compassion for the returning sinner; however, it is not an over-abundance, but an essential requirement for uniting with the Lord.
The Christian life is life in the Lord Jesus Christ. The believer puts on Christ and lives through Him. He who falls after Baptism loses this grace; when rising up from this fall and returning to the Lord, he has become worthy of it again, and this he does through Holy Communion.He that eateth My flesh, and drinketh My blood, dwelleth in Me, and I in him, says the Lord (Jn. ).