I heard Dr. Sagan interviewed on the radio shortly before his death.
When asked where the "billions and billions" came from he said, "from the MIND of Johnny Carson..."
Funny as H-E-double hockey sticks...
Nobody in Casablanca said "Play it again, Sam."
Humphrey Bogart's character Rick did say "you played it for her, you can play it for me."
Sherlock Holmes never said "It's Elementary my dear Watson."
This is real close, sounds like "Elementary my dear Watson."
Of course are you talking about the original stories or the many other sources...
He said "Scotty, beam us up," "and beam me up."
While we're having fun...