Pharaoh confessed he had sinned (Exod. 9:27), but when the thunder ceased he fell to his sin again: ‘he sinned yet more, and hardened his heart’ (Exod. 9:34). Origen calls confession the vomit of the soul whereby the conscience is eased of that burden which did lie upon it. Now, when we have vomited up sin by confession we must not return to this vomit. What king will pardon that man who, after he has confessed his treason, practices new treason? “Doctrine of Repentance” pg. 32