This type of husbandry may serve as a mode of instruction, teaching that we must cut the growths of sins, and the useless weeds of the mind that spring up round the vital fruit, till the shoot of faith is perfected and becomes strong. For in the fourth year, since there is need of time to him that is being solidly catechized, the four virtues are consecrated to God, the third alone being already joined to the fourth, the person of the Lord. And a sacrifice of praise is above holocausts: “for He,” it is said, “giveth strength to get power.” And if your affairs are in the sunshine of prosperity, get and keep strength, and acquire power in knowledge. For by these instances it is shown that both good things and gifts are supplied by God; and that we, becoming ministers of the divine grace, ought to sow the benefits of God, and make those who approach us noble and good; so that, as far as possible, the temperate man may make others continent, he that is manly may make them noble, he that is wise may make them intelligent, and the just may make them just.