Whoever wishes to hold the fortress of contemplation must first of all train in the camp of action.
Pope Gregory IYou cannot acquire the gift of peace if by your anger you destroy the peace of the Lord.
Pope Gregory IBecause God that is immutable changes what He willed, He is said to repent, although what changes is a thing and not His counsel.
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 IThe pastor should always be pure in thought ... no impurity ought to pollute him who has undertaken the office of wiping away the stains in the hearts of others ... for the hand that would cleanse from dirt must be clean, lest, being itself sordid with clinging mire, it soil whatever it touches all the more.
Pope Gregory I