[174] for until a man is made perfect he uses divine reason as the guide of his path, for that is the sacred oracle of scripture: "Behold, I send my angel before thy face that he may keep thee in the road, so as to lead thee into the land which I have prepared for thee. Attend thou to him, and listen to him; do not disobey him; for he will not pardon your transgressions, for my name is in him." [177]