Source: Broca's Brain (1979), Chapter 25, “The Amniotic Universe” (p. 368)
“The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.”
0 min 40 sec
Cosmos: A Personal Voyage (1990 Update), The Backbone of Night [Episode 7]
Help us to complete the source, original and additional information
Carl Sagan 365
American astrophysicist, cosmologist, author and science ed… 1934–1996Related quotes
“The thoughts we choose to act upon define us to others, the ones we do not define us to ourselves.”
Signposts to Elsewhere (2008)
The Great Chain of Life (1956), Chapter 9 "The Vandal and the Sportsman" http://books.google.com/books?id=Ydc0cooCB6QC&lpg=PA146&q="when+a+man+wantonly+destroys+one+of+the+works+of+man+we+call+him+vandal+when+he+wantonly+destroys+one+of+the+works+of+god+we+call+him+sportsman"#v=onepage. Iowa City: University of Iowa Press, 2009, p. 148.
Speech to Finchley Conservatives (20 October 1984) http://www.margaretthatcher.org/document/105769 on the Brighton bombing
Second term as Prime Minister