“I think reason can take us only a certain distance, and then we have to go with the divine imagination.” “There have been many episodes in the history of science where great hope gave way to paranoia.” “The [UFO] hysteria has become…

Sagan's Tonight Show appearance with Johnny Carson — critiquing Star Wars' 'human chauvinism' and discussing SETI.

Excerpt from the BBC science documentary on SETI — the earliest extant TV footage of Sagan, then a young astronomer at the Smithsonian Astrophysical Observatory and Harvard.

Sagan's first-draft dictation of Chapter 3 of his novel Contact, narrating the Ellie Arroway / SETI Project Argus material in his own voice.