The mentor can be identified by four things: by restraining you from wrongdoing, guiding you towards good actions, telling you what you ought to know, and showing you the path to heaven.
"Face the brutes." That is a lesson for all life-face the terrible, face it boldly. Like the monkeys, the hardships of life fall back when we cease to flee before them.
Look not mournfully into the past, it comes not back again. Wisely improve the present, it is thine. Go forth to meet the shadowy future without fear and with a manly heart.