If I hold my head to the left and look down at the handle grips and front wheel and map carrier and gas tank I get one pattern of sense data. If I move my head to the right I get another slightly different pattern of sense data. The two views are different. The angles of the planes and curves of the metal are different. The sunlight strikes them differently. If there's no logical basis for substance then there's no logical basis for concluding that what's produced these two views is the same motorcycle.
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About Robert M. Pirsig
Robert M. Pirsig was a 20th-century American writer and philosopher. Robert Maynard Pirsig was an American writer and philosopher. He is the author of the philosophical books Zen and the Art of Motorcycle Maintenance: An Inquiry into Values (1974) and Lila: An Inquiry into Morals (1991), and he co-authored On Quality: An Inquiry Into Excellence: Selected and Unpublished Writings (2022) along with his wife and editor, Wendy Pirsig. Read more on Wikipedia →
Themes
- Philosophy — Deep thoughts on existence, knowledge, and the nature of reality