“Have you ever not known something but known it at the same time?”
Source: How to Fall in Love
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Cecelia Ahern 156
Irish novelist 1981Related quotes

“You have to be willing to spend time making things for no known reason.”
Source: Picture This: The Near-sighted Monkey Book

“A person’s destiny is something you look back at afterwards, not something to be known in advance.”
Source: The Wind-Up Bird Chronicle

“Let me be known as just the man that told you something you already knew.”
"Notes about Music" (29 March 1946), quoted in "Walt Whitman and Woody Guthrie : American Proghet-singers and their People" in: Journal of American Studies (April 1990), p. 55

“Somewhere, something incredible is waiting to be known.”
This phrase was created by reporter Sharon Begley in the end of a 1977 Newsweek article with an extended profile of Carl Sagan. It was a final conclusion about Sagan's work and the topic of hypotethical extra-terrestrial life forms. "Quote Investigator" http://quoteinvestigator.com/2013/03/18/incredible/
Misattributed

Physics and Philosophy (1958)
Source: Physics and Philosophy: The Revolution in Modern Science
Context: Whenever we proceed from the known into the unknown we may hope to understand, but we may have to learn at the same time a new meaning of the word "understanding."

Re: can lisp do what perl does easily? http://groups.google.com/group/comp.lang.lisp/msg/fc76ebab1cb2f863 (Usenet article).
Usenet articles, Perl