Everyone has had luminous moments – those instances when we experience the beauty and grace of life, whether we’re looking into the eyes of a newborn or watching the sun set over the ocean. But those moments are usually brief and difficult to consciously create. Many of us have been successful in attaining personal and professional goals, but we’re too exhausted to enjoy what we’ve accomplished. Or we might walk around in a fog, feeling vaguely frustrated, resigned, or cynical and asking all...