Now if the wearing of fine and precious robes were not a fault, word of God would never have so carefully expressed this. For no one seeks costly garments except for vainglory, that he may seem more honorable than others; for no one wishes to be clothed with such, where he cannot be seen by others.
Pope Gregory IAnd here we must narrowly watch ourselves, seeing that banquets can scarcely be celebrated blamelessly, for almost always luxury accompanies feasting; and when the body is swallowed up in the delight of refreshing itself, the heart relaxes to empty joys.
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