Cosmos (TV Mini Series)

Encyclopaedia Galactica (1980)

Carl Sagan: Self - Host

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Quotes 

• Carl Sagan - Host : 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.

• Carl Sagan - Host : For all I know we may be visited by a different extraterrestrial civilization every second Tuesday, but there's no support for this appealing idea. The extraordinary claims are not supported by extraordinary evidence.