Why do they still come? Fourteen hundred years after a handful of Celtic monks withdrew to tiny islands in the sea, and almost a thousand years after the last of them disappeared, a steady streams of modern men and women make the difficult trek to these isolated places. Why? What did the ancient monks know that we have forgotten, or remember only dimly? What are we looking for when we journey to such sacred places? We are looking, among other things, for wisdom-for clues about how to live in a frantic, materialistic, care-worn world that is, in many ways, hostile to life. And we sense that...