- Carl Sagan [1934-1996]
According to mentalfloss.com:
“Billions and billions.” Carl Sagan never said this, and he even explained that he never said it in the first chapter of his book … which, incidentally, was titled Billions & Billions. You can’t say the guy didn’t have a sense of humor. The quote actually originated from Johnny Carson’s impression of Sagan.
Sagan on the pre-socratic philosophers:
