Helping people with self-control problems is often thought of as a sheerly therapeutic exercise. And certainly helping people quit smoking or get off heroin qualifies as therapy in the common sense of the term. But when you see how seamlessly the discussion of self-control leads to discussion of overcoming hatred—and for that matter of seeing beauty in “the common occurrences of life”—you can see how blurry the line is between therapy and moral edification and between therapy and spiritual uplift.