Werner Herzog (1942) German film director, producer, screenwriter, actor and opera director
Herzog on Herzog (2002)
Once again, this is far from Muir's style of writing. The quote does not come up in any search of John Muir's Journals or his published texts on the John Muir Exhibit website. It is most commonly put on t-shirts - never in any scholarly source.
Misattributed



Werner Herzog (1942) German film director, producer, screenwriter, actor and opera director
Herzog on Herzog (2002)
Ruskin Bond (1934) British Indian writer
Attributed in [ You cannot die of boredom in India http://newindianexpress.com/cities/bangalore/article537655.ece, June 07, 2012, June 23, 2012, Bond, Ruskin, Prajwala Hegde, The New Indian Express, Bangalore]
“I didn't lose my mind,
it was mine to give away”
Robbie Williams (1974) British singer and entertainer
“I put my heart and soul into my work, and I have lost my mind in the process.”
Vincent Van Gogh (1853–1890) Dutch post-Impressionist painter (1853-1890)
“I remained too much inside my head and ended up losing my mind.”
Edgar Allan Poe (1809–1849) American author, poet, editor and literary critic
Forest Whitaker (1961) American actor
To Webster Hall curator Baird Jones, reported in the New York Post (11 December 1999); quoted in “Forest Whitaker,” in Hollywood.com http://www.hollywood.com/celebrities/forest-whitaker-57300206/.
Charles Bukowski (1920–1994) American writer
Variant: Some lose all mind and become soul, insane. Some lose all soul and become mind, intellectual. Some lose both and become accepted.