"There are many kinds of knowledge, only one of them worth everything, only one of them not subject to opinion or degree or damage. If you come to that, you will know what I mean. If you don't, listen to someone who has."
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Source : Jan Frazier (2007). “When Fear Falls Away: The Story of a Sudden Awakening”, p.194, Weiser Books
Source : "Mae Whitman on TMNT, blending into Arrested Development, and acting with Coach Taylor". Interview with Erik Adams, www.avclub.com. March 1, 2013.