Inspirational Quotations

Inspirational Quotes by Carl Sagan (American Astronomer)

Carl Edward Sagan (1934–96) was an American astronomer and author of numerous books of popular science.

Born in New York City, Sagan studied at universities of Chicago and Berkeley, worked at Harvard then moved to Cornell, becoming a professor of astronomy and space science in 1970. He studied the surfaces and the atmospheres of the major planets, conducted experiments on the origins of life on earth, and argued about the environmental consequences of nuclear war.

Sagan was controversial in scientific, political, and religious circles for his views on extraterrestrial intelligence, nuclear weapons, and religion. He wrote several popular books explaining developments in astronomy, biology, and psychology. His notable works include Cosmic Connection (1973,) The Dragons of Eden (1977; Pulitzer,) and Broca’s Brain (1979.)

Sagan was president of the Planetary Society 1979–96 and a strong proponent of SeTI, the search for extraterrestrial intelligence. Contact (1985,) Sagan’s novel about the search for alien life, was made into a popular 1997 film.

More: Wikipedia • READ: Works by Carl Sagan

The fact that so little of the findings of modern science is prefigured in Scripture to my mind casts further doubt on its divine inspiration.
—Carl Sagan

One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
—Carl Sagan
Topics: Books

I worry that, especially as the Millennium edges nearer, pseudo-science and superstition will seem year by year more tempting, the siren song of unreason more sonorous and attractive.
—Carl Sagan
Topics: Superstition

Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.
—Carl Sagan
Topics: The Universe

It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.
—Carl Sagan
Topics: Science

One of the saddest lessons of history is this: If we’ve been bamboozled long enough, we tend to reject any evidence of the bamboozle. The bamboozle has captured us. Once you give a charlatan power over you, you almost never get it back.
—Carl Sagan
Topics: Illusion

Our ancestors worshipped the Sun, and they were not that foolish.
It makes sense to revere the Sun and the stars, for we are their children.
—Carl Sagan
Topics: Space

When you make the finding yourself – even if you’re the last person on Earth to see the light – you’ll never forget it.
—Carl Sagan
Topics: Discovery

One of the criteria for national leadership should therefore be a talent for understanding, encouraging, and making constructive use of vigorous criticism.
—Carl Sagan
Topics: Criticism

We’ve arranged a civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.
—Carl Sagan
Topics: Technology

There is today-in a time when old beliefs are withering-a kind of philosophical hunger, a need to know who we are and how we got here. It is an on-going search, often unconscious, for a cosmic perspective for humanity.
—Carl Sagan
Topics: Philosophers, Philosophy

Science is a way of thinking much more than it is a body of knowledge.
—Carl Sagan
Topics: Science, Knowledge, Thinking

The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary masters of a fraction of a dot.
—Carl Sagan
Topics: Philosophy

Except for children (who don’t know enough not to ask the important questions), few of us spend time wondering why nature is the way it is.
—Carl Sagan
Topics: Nature

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
—Carl Sagan
Topics: Technology

If we like them, they’re freedom fighters … 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.
—Carl Sagan
Topics: Terrorism

Books tap the wisdom of our species—the greatest minds, the best teachers—from all over the world and from all our history. And they’re patient.
—Carl Sagan
Topics: Books

A book is made from a tree. It is an assemblage of flat, flexible parts (still called.
—Carl Sagan
Topics: Reading

We make our world significant by the courage of our questions and by the depth of our answers.
—Carl Sagan
Topics: Questions

If the dinosaurs had had a space program, they would not be extinct.
—Carl Sagan

Somewhere, something incredible is waiting to be known.
—Carl Sagan
Topics: One liners, Curiosity, Science, Universe, Mystery

Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.
—Carl Sagan
Topics: Humility

The universe is not required to be in perfect harmony with human ambition.
—Carl Sagan
Topics: Ambition

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.
—Carl Sagan
Topics: The Artist

We are the local embodiment of a Cosmos grown to self-awareness. We have begun to contemplate our origins: starstuff pondering the stars; organized assemblages of ten billion billion billion atoms considering the evolution of atoms; tracing the long journey by which, here at least, consciousness arose. Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring.
—Carl Sagan
Topics: Loyalty, Man, Mankind

Imagination will often carry us to worlds that never were. But without it we go nowhere.
—Carl Sagan
Topics: Imagination

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright Brothers. But they also laughed at Bozo the Clown.
—Carl Sagan
Topics: Laughter, Genius

Where we have strong emotions, we’re liable to fool ourselves.
—Carl Sagan
Topics: Emotions

We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has stopped. Man is a transitional animal. He is not the climax of creation.
—Carl Sagan
Topics: Evolution

Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgment, the manner in which information is collected and used.
—Carl Sagan
Topics: Intelligence, Judgement

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