We make our world significant by the courage of our questions and the depth of our answers.
CARL SAGANNature is unsentimental. Death is built in.
More Carl Sagan Quotes
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The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
CARL SAGAN -
I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
CARL SAGAN -
When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
CARL SAGAN -
We are all stardust.
CARL SAGAN -
What an astonishing thing a book is.
CARL SAGAN -
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
CARL SAGAN -
We are star stuff which has taken its destiny into its own hands.
CARL SAGAN -
The cure for a fallacious argument is a better argument, not the suppression of ideas.
CARL SAGAN -
Every star may be a sun to someone.
CARL SAGAN -
Across the sea of space, the stars are other suns.
CARL SAGAN -
All civilizations become either spacefaring or extinct.
CARL SAGAN -
Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
CARL SAGAN -
Extraordinary claims require extraordinary evidence.
CARL SAGAN -
Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
CARL SAGAN -
The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
CARL SAGAN