Pirsig's Metaphysics of Quality

The Metaphysics of Quality (MOQ) is a theory of reality introduced in Robert M. Pirsig's philosophical novel Zen and the Art of Motorcycle Maintenance (1974) and expanded in Lila: An Inquiry into Morals (1991). The MOQ incorporates facets of Sophistry, East Asian philosophy, pragmatism, the work of F. S. C. Northrop, and Indigenous American philosophy.