XLI. Wherefore it is by all means necessary for thee, who art pompous, and powerful, and rich, to set over thyself some man of God as a trainer and governor. Reverence, though it be but one man; fear, though it be but one man. Give yourself to hearing, though it be but one speaking freely, using harshness, and at the same time healing. For it is good for the eyes not to continue always wanton, but to weep and smart sometimes, for greater health. So also nothing is more pernicious to the soul than