If the work of God could be comprehended by reason, it would no longer be wonderful, and faith would have no merit if reason provided proof.
Pope Gregory IYou cannot acquire the gift of peace if by your anger you destroy the peace of the Lord.
Pope Gregory IWhatsoever one would understand what he hears must hasten to put into practice what he has heard.
Pope Gregory IGod is called jealous, angered, repentant, merciful, and foreknowing. These simply mean that, because He guards the chastity of every soul, He can, in human fashion, be called jealous, although He is not subject to any mental torment.
Pope Gregory I