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"Not everyone understands what a completely rational process this is, this maintenance of a motorcycle. They think it's some kind of 'knack' or some kind of 'affinity for machines' in operation. They are right, but the knack is almost purely a process of reason, and most of the troubles are caused by what old time radio men called a 'short between the earphones,' failures to use the head properly. A motorcycle functions entirely in accordance with the laws of reason, and a study of the art of motorcycle maintenance is really a miniature study of the art of rationality itself."
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"Rationality and common sense never goes out of fashion."

"Apriority creates ambiguities among ideas."

"Very little is needed for everything to be upset and ruined, only a slight lapse in reason."

"She hated anyone who clung to the supernatural when the natural was perfectly serviceable."

"Logic is the art of non-contradictory identification. A contradiction cannot exist. No concept man forms is valid unless he integrates it without contradiction into the total sum of his knowledge. To arrive at a contradiction is to confess an error in one's thinking, to maintain a contradiction is to abdicate one's mind and to evict oneself from the realm of reality."
Explore more quotes by Robert M. Pirsig


"But until then, and right now, the sun is bright, the air is cool, my head is clear, there's a whole day ahead of us, we're almost to the mountains, it's a good day to be alive. It's this thinner air that does it. You always feel like this when you start getting into higher altitudes."


"I wake up wondering if I know we're near mountains because of memory or because of something in the air."


"The doctrinal differences between Hinduism and Buddhism and Taoism are not anywhere near as important as doctrinal differences among Christianity and Islam and Judaism. Holy wars are not fought over them because verbalized statements about reality are never presumed to be reality itself."


"What he's looking for, what he wants, is all around him, but he doesn't want that because it is all around him. Every step's an effort, both physically and spiritually, because he imagines his goal to be external and distant."


"Once they got into the idea of seeing directly for themselves they also saw there was no limit to the amount they could say. It was a confidence building assignment too, because what they wrote, even though seemingly trivial, was nevertheless their own thing, not a mimicking of someone else's."


"The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed."


"To live only for some future goal is shallow. It's the sides of the mountain that sustain life, not the top."


"The real purpose of the scientific method is to make sure nature hasn't misled you into thinking you know something you actually don't know."


"But the biggest clue seemed to be their expressions. They were hard to explain. Good-natured, friendly, easygoing...and uninvolved. They were like spectators. You had the feeling they had just wandered in there themselves and somebody had handed them a wrench. There was no identification with the job. No saying, 'I am a mechanic.' At 5 P.M. or whenever their eight hours were in, you knew they would cut it off and not have another thought about their work. They were already trying not to have any thoughts about their work on the job."
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