Carl Sagan Quotes:
Ocupation: Astronomer
Life: November 9, 1934 - December 20, 1996
Birthday: November 9
Death: December 20
What counts is not what sounds plausible, not what we would like to believe, not what one or two witnesses claim, but only what is supported by hard evidence rigorously and skeptically examined. Extraordinary claims require extraordinary evidence.
source: "Cosmos/ Encyclopaedia Galactica". Documentary, www.imdb.com. 1980. 
topic: Believe, Two, Sound, Examining, Astrophysics
