For prisoners, baptism is ransom, forgiveness of debts, the death of sin, regeneration of the soul, a resplendent garment, an unbreakable seal, a chariot to heaven, a royal protector, a gift of adoption

 

St. Basil of Caesarea

Source: Eulogies on the Martyrs and Sermons on Moral and Practical Subjects 13:5 (374 A.D).