Ambrose defends the Church’s authority to reconcile Christians who have committed grave sins against the Novatian claim that the lapsed must remain permanently outside communion. Gentleness, modeled on Christ’s meekness and the Good Shepherd, is essential to pastoral leadership: severity without mercy drives the wounded away and extinguishes the hope that makes repentance possible. Scripture’s language about unforgivable sin, denial of Christ, and “sin unto death” is interpreted as allowing for intercession, especially by the righteous, and for forgiveness of those who repent. Ambrose distinguishes voluntary apostasy from denial under torture and compares the latter to captivity endured against one’s will. The Church’s power to bind and loose comes from Christ through the Holy Spirit and is reflected in baptism, laying on of hands, and penance. Discipline may separate the grave sinner from the community or “deliver” the flesh to corrective affliction, but its purpose is purification and restoration, not destruction. Repentant sinners are to be welcomed back through the prayers, tears, and charity of the whole Church, while penance also requires mortification of lust, guarded senses, modesty, and resistance to luxury and drunkenness. Ambrose repeatedly contrasts this healing balance of correction and mercy with Novatian pride and exclusion.