Carl Sagan Quotes - Page 23
Our loyalties are to the species and the planet. We speak for Earth.
"Cosmos: A Personal Voyage". Book by Carl Sagan, 1980.
Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.44, Ballantine Books
Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.21, Ballantine Books
"Cosmos: A Personal Voyage". TV Series (Episode 11: The Persistence of Memory), 1990.
Carl Sagan (1994). “Pale Blue Dot: A Vision of the Human Future in Space”, Random House Incorporated
Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.344, Ballantine Books
Carl Sagan (2012). “Dragons of Eden: Speculations on the Evolution of Human Intelligence”, p.87, Ballantine Books
Keay Davidson, Carl Sagan (1999). “Carl Sagan: a life”, John Wiley & Sons
Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.76, Ballantine Books
Carl Sagan (2011). “Cosmos”, p.348, Ballantine Books
"Cosmos: A Personal Voyage. Who Speaks for Earth? [Episode 13]". TV series, 1990.
Carl Sagan (2011). “Broca's Brain: Reflections on the Romance of Science”, p.19, Ballantine Books
Carl Sagan (2006). “The Varieties of Scientific Experience: A Personal View of the Search for God”, p.218, Penguin
Carl Sagan (2011). “Cosmos”, p.129, Ballantine Books