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All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

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Oct 11, 2025

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About Timothy Francis Leary

Timothy Francis Leary

Timothy Francis Leary

Timothy Francis Leary (October 22, 1920 - May 31, 1996) was an American writer, psychologist, modern pioneer and advocate of psychedelic drug research and use, and one of the first people whose remains have been sent into space. An icon of 1960s counterculture, Leary is most famous as a proponent of the therapeutic and spiritual benefits of LSD. He coined and popularized the catch phrase "Turn on, tune in, drop out."

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