On Quality: An Inquiry into Excellence: Unpublished and Selected WritingsFeaturing long awaited selections from Robert M. Pirsig's unpublished writings, from before and after Zen and the Art of Motorcycle Maintenance, an original collection illuminating the central theme of Pirsig's thought: Quality The ultimate goal in the pursuit of excellence is enlightenment." Robert M. Pirsig, 1962 More than a decade before the release of the book that would make him famous, Robert M. Pirsig had already caught hold of the central