“If you can’t define something you have no formal rational way of knowing that it exists. Neither can you really tell anyone else what it is. There is, in fact, no formal difference between inability to define and stupidity.”

American writer and philosopher

Robert Maynard Pirsig was an American writer and philosopher. He is best known for Zen and the Art of Motorcycle Maintenance: An Inquiry into Values, published in 1974, and Lila: An Inquiry into Morals, published in 1991. His work is shaped by philosophical questions about values, morals, and quality. He also co-authored On Quality: An Inquiry Into Excellence: Selected and Unpublished Writings with his wife and editor, Wendy Pirsig, which was published in 2022.