Joseph Campbell, the famous professor of comparative mythology, noticed that in legends from around the world, some kind of mentor arrives shortly after a hero has accepted a call to adventure. Embarking on the way of integrity is just such a situation. We tend to meet teachers after we’ve realized we’re wandering in a dark wood of error, after we’ve tried and failed to get out of it by climbing Mount Delectable, and while we’re still being dogged by the wild beasts of our painful emotions.