Carl Sagan Quotes - Page 16
Carl Sagan (2011). “Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium”, p.178, Ballantine Books
Carl Sagan (2011). “Cosmos”, p.26, Ballantine Books
We go about our daily lives understanding almost nothing of the world.
"A Brief History of Time". Book by Stephen Hawking, Introduction, 1988.
Carl Sagan (2011). “Broca's Brain: Reflections on the Romance of Science”, p.46, Ballantine Books
Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.15, Ballantine Books
Carl Sagan (2011). “Demon-Haunted World: Science as a Candle in the Dark”, p.61, Ballantine Books
Carl Sagan (2011). “The Demon-Haunted World: Science as a Candle in the Dark”, p.82, Ballantine Books
"Cosmos/ Who Speaks for Earth?". Documentary, 1980.
Cosmos ch. 1 (1980). Sagan denied using the phrase "billions and billions," as caricatured by comedian Johnny Carson, but the above quote approaches that phrase, and Sagan was extremely fond in his writing of the word billion or billions.
"Dragons of Eden: Speculations on the Evolution of Human Intelligence".
Carl Sagan, Tom Head (2006). “Conversations with Carl Sagan”, p.54, Univ. Press of Mississippi
Keay Davidson, Carl Sagan (1999). “Carl Sagan: a life”, John Wiley & Sons
"Cosmos: A Personal Voyage". Documentary (1990 Update). Episode 3: "The Harmony of the Worlds", 1990.
Carl Sagan (2006). “The Varieties of Scientific Experience: A Personal View of the Search for God”, p.55, Penguin
"Pale Blue Dot: A Vision of the Human Future in Space". Book by Carl Sagan, 1994.
We are the first species to have taken our evolution into our own hands.
Carl Sagan (2011). “Broca's Brain: Reflections on the Romance of Science”, p.47, Ballantine Books
Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.75, Ballantine Books
"A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race". Book by Carl Sagan, p. 26, 1990.