About Carl Sagan
1934 – 1996
American astronomer and science communicator, author and presenter of "Cosmos".
See all 25 Carl Sagan quotes →More from Carl Sagan
“We make our world significant by the courage of our questions and by the depth of our answers.”
“Books are key to understanding the world and participating in a democratic society.”
“Imagination will often carry us to worlds that never were. But without it we go nowhere.”
Related quotes
“Blessed are the hearts that can bend; they shall never be broken.”
“He can communicate nothing so precious, glorious, blessed, as himself.”
“I thank God that my own lot is bound up with that of the human race.”
“Gratitude and Vanity are the nurses that rock the cradle of Love.”