The 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 IHe who is required by the necessity of his position to speak the highest things is compelled by the same necessity to exemplify the highest things.
Pope Gregory IObedience is the only virtue that plants the other virtues in the heart and preserves them after they have been planted.
Pope Gregory IAs long as the vice of gluttony has a hold on a man, all that he has done valiantly is forfeited by him: and as long as the belly is unrestrained, all virtue comes to naught.
Pope Gregory IThe bliss of the elect in heaven would not be perfect unless they were able to look across the abyss and enjoy the agonies of their brethren in eternal fire.
Pope Gregory IThe only true riches are those that make us rich in virtue. Therefore, if you want to be rich, beloved, love true riches. If you aspire to the heights of real honor, strive to reach the kingdom of Heaven. If you value rank and renown, hasten to be enrolled in the heavenly court of the Angels.
Pope Gregory I