“Be open minded, but not so open minded that your brains fall out.”
Groucho Marx (1890–1977) American comedian
Swift, 30 December 2005,. "McGill University Featuring Pseudoscience" http://web.archive.org/web/20110108172522/http://www.randi.org/jr/200512/123005museum.html#i8 <br class="br">http://www.fortwayne.com/mld/journalgazette/living/17126222.htm April 24, 2007.
“Be open minded, but not so open minded that your brains fall out.”
Groucho Marx (1890–1977) American comedian
“It pays to keep an open mind, but not so open your brains fall out.”
Carl Sagan (1934–1996) American astrophysicist, cosmologist, author and science educator
“If you're too open-minded; your brains will fall out.”
Lawrence Ferlinghetti (1919) American artist, writer and activist
“Open your eyes, train your ears, use your head. If a mind you have, then use it while you can.”
Haruki Murakami book Hard-Boiled Wonderland and the End of the World
Source: Hard-Boiled Wonderland and the End of the World
Hugh Blair (1718–1800) British philosopher
Reported in The Saturday Magazine (September 28, 1833), p. 118 https://books.google.com/books?id=jh_nAAAAMAAJ&pg=118.
Dr. Seuss (1904–1991) American children's writer and illustrator, co-founder of Beginner Books
Oh, the Places You'll Go! (1990)
Source: Oh, The Places You'll Go!