I say unto you, that likewise joy shall be in heaven over one sinner that repents, more than over ninety and nine just persons, who need no repentance.
All Commentaries on Luke 15:7 Go To Luke 15
The Apostolic Constitutions
AD 375
In the first place, therefore, condemn the guilty person with authority; afterwards try to bring him home with mercy and compassion, and readiness to receive him, promising him salvation if he will change his course of life, and become a penitent; and when he does repent, and has submitted to his chastisement, receive him: remembering that our Lord has said, "There is joy in heaven over one sinner that repenteth.".
Let us still pray for them more earnestly, for there is joy in heaven over one sinner that repenteth.
If any bishop or presbyter does not receive him that returns from his sin, but rejects him, let him be deprived; because he grieves Christ, who says, "There is joy in heaven over one sinner that repenteth."