Carl Sagan
American astronomer, cosmologist, astrophysicist and author
Lived from: 1934 - 1996
Category: Scientists | Writers (Contemporary) Country: 
United States
Born: 9 november 1934 Died: 20 december 1996
Quotes 41 till 60 of 139.
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If a marker were to be erected today, it might read, in homage to his scientific courage: He preferred the hard truth to his dearest illusions.
Cosmos (1980) p. 67― Carl Sagan -
If intelligence is our only edge, we must learn to use it better, to shape it, to understand its limitations and deficiencies - to use it as cats use stealth, as katydids use camouflage - to make it the tool of our survival.
― Carl Sagan -
If we like them, they're freedom fighters, she thought. If we don't like them, they're terrorists. In the unlikely case we can't make up our minds, they're temporarily only guerrillas.
Contact (1985) Ch. 3― Carl Sagan -
If we long for our planet to be important, there is something we can do about it. We make our world significant by the courage of our questions and by the depth of our answers.
Cosmos (1980)― Carl Sagan -
If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits?
The Demon-Haunted World : Science as a Candle in the Dark (1995) Ch. 1 : The Most Precious Thing― Carl Sagan -
If you are only skeptical, then no new ideas make it through to you.
Demon-Haunted World: Science as a Candle in the Dark (2011) 391― Carl Sagan -
If you want to make an apple pie from scratch, you must first create the universe.
― Carl Sagan -
Imagination will often carry us to worlds that never were. But without it we go nowhere.
Cosmos (1980) 26― Carl Sagan -
In every country, we should be teaching our children the scientific method and the reasons for a Bill of Rights. With it comes a certain decency, humility and community spirit. In the demon-haunted world that we inhabit by virtue of being human, this may be all that stands between us and the enveloping darkness.
― Carl Sagan -
In Mozambique, the story goes, monkeys do not talk, because they know if they utter even a single word some man will come and put them to work.
Contact (1985) Ch. 18 (p. 313)― Carl Sagan -
In the fabric of space and in the nature of matter, as in a great work of art, there is, written small, the artist's signature.
Contact (1985) Ch. 24 (p. 431)― Carl Sagan -
In the long run, the aggressive civilizations destroy themselves, almost always. It's their nature. They can't help it.
Contact (1985) Ch. 20 (p. 359)― Carl Sagan -
In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with Annie.
Cosmos (1980) Dedication― Carl Sagan -
In the vastness of the Cosmos there must be other civilizations far older and more advanced than ours.
Cosmos: A Personal Voyage (1990) 0 min 45 sec― Carl Sagan -
It is all a matter of time scale. An event that would be unthinkable in a hundred years may be inevitable in a hundred million.
Cosmos (1980) 98― Carl Sagan -
It is clear that the nations of the world now can only rise and fall together. It is not a question of one nation winning at the expense of another. We must all help one another or all perish together.
― Carl Sagan -
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
Demon-Haunted World: Science as a Candle in the Dark (2011) 32― Carl Sagan -
It is of interest to note that while some dolphins are reported to have learned English -- up to fifty words used in correct context -- no human being has been reported to have learned dolphinese.
― Carl Sagan -
It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.
― Carl Sagan -
It seems to me what is called for is an exquisite balance between two conflicting needs: the most skeptical scrutiny of all hypotheses that are served up to us and at the same time a great openness to new ideas... If you are only skeptical, then no new ideas make it through to you... On the other hand, if you are open to the point of gullibility and have not an ounce of skeptical sense in you, then you cannot distinguish the useful ideas from the worthless ones.
― Carl Sagan
All Carl Sagan famous quotes and sayings you will always find on greatest-quotations.com (page 3)
Annie Jump Cannon
