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" "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.
Robert Maynard Pirsig (6 September 1928 – 24 April 2017) was an American philosopher and novelist, most famous for his novel Zen and the Art of Motorcycle Maintenance in which he proposed what has become known as his Metaphysics of Quality (MoQ).
Biography information from Wikiquote
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