Holy Scripture is presented to the mind’s eye as a kind of mirror so that our inner appearance can be seen in it. In this mirror we recognize both the ugliness and the beauty of our soul. We can tell what progress we are making, or see our utter lack of progress…The virtues of people in the Bible may support our hope, and their faults may clothe us with the protection of humility. The former, through the joy they cause, give our spirits wings; the latter, by causing fear, put a check on our actions. By listening to Scripture the soul learns both the confidence of hope and the humility of fear.
Gregory, a moral theologian, was Bishop of Rome from 590-604. This quote is from Everett Ferguson, Inheriting Wisdom, Readings for Today from Ancient Christian Writers. Peabody: Hendrickson, 2004, page 229.