Sagan Carl Quotes
Collection of top 100 famous quotes about Sagan Carl
Sagan Carl Quotes & Sayings
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If you want to save your child from polio, you can pray or you can inoculate ... Choose science.
— Carl Sagan
Skepticism does not sell well.
— Carl Sagan
We make our world significant by the courage of our questions and the depth of our answers
— Carl Sagan
Nature does not always conform to our predispositions and preferences, to what we deem comfortable and easy to understand.
— Carl Sagan
All inquires carry with them some element of risk. There is no guarantee that the universe will conform to our predispositions.
— Carl Sagan
The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
— Carl Sagan
Venus, it turns out, is broiling hot. There are no swamps, no oil fields, no seltzer oceans. With insufficient data, it is easy to go wrong.
— Carl Sagan
It's sometimes easier to reject strong evidence than to admit that we've been wrong, this is information about ourselves worth having.
— Carl Sagan
You could just as well say that an agnostic is a deeply religious person with at least a rudimentary knowledge of human fallibility.
— Carl Sagan
What an astonishing thing a book is.
— Carl Sagan
Contemplated as one grand whole, astronomy is the most beautiful monument of the human mind; the noblest record of its intelligence.
— Carl Sagan
According to some estimates, almost half the scientists and high technologists on Earth are employed full- or part-time on military matters.
— Carl Sagan
We have examined the universe in space and seen that we live on a mote of dust circling a humdrum star in the remotest corner of an obscure galaxy.
— Carl Sagan
The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.
— Carl Sagan
There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world.
— Carl Sagan
We are a way for the cosmos to know itself.
— Carl Sagan
You have to know the past to understand the present.
— Carl Sagan
Who will speak for Planet Earth?
— Carl Sagan
[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science.
— Carl Sagan
Not all bits have equal value.
— Carl Sagan
Even victims of atrocious brutality and intractable pain may retain a longing, sometimes even a zest, for life.
— Carl Sagan
If there is life, then I believe we should do nothing to disturb that life.
Mars then, belongs to the Martians, even if they are microbes. — Carl Sagan
Mars then, belongs to the Martians, even if they are microbes. — Carl Sagan
The secrets of evolution, are time and death.
There's an unbroken thread that stretches from those first cells to us. — Carl Sagan
There's an unbroken thread that stretches from those first cells to us. — Carl Sagan
I would be very ashamed of my civilization if we did not try to find out if there is life in outer space.
— Carl Sagan
Each of us is a tiny being, permitted to ride on the outermost skin of one of the smaller planets for a few dozen trips around the local star.
— Carl Sagan
In good speaking, should not the mind of the speaker know the truth of the matter about which he is to speak?
— Carl Sagan
By looking far out into space we are also looking far back into time, back toward the horizon of the universe, back toward the epoch of the Big Bang.
— Carl Sagan
Once upon a time, we soared into the Solar System. For a few years. Then we hurried back. Why? What happened? What was 'Apollo' really about?
— Carl Sagan
A book is proof humans can do magic.
— Carl Sagan
You can't convince a believer of anything; for their belief is not based on evidence, it's based on a deep seated need to believe
— Carl Sagan
Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
— Carl Sagan
Football is a thinly disguised re-enactment of hunting; we played it before we were human.
— Carl Sagan
Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
— Carl Sagan
If you want to make a [rhubarb] pie from scratch, first you have to create the universe.
— Carl Sagan
We can always take but never give.
— Carl Sagan
The Earth is a place. It is by no means the only place. It is not even a typical place.
— Carl Sagan
We are made of star-stuff. Our bodies are made of star-stuff. There are pieces of star within us all.
— Carl Sagan
This oak tree and me, we're made of the same stuff.
— Carl Sagan
Who is really in charge of this planet?
— Carl Sagan
All inquiries carry with them some element of risk.
— Carl Sagan
Voltaire argued that if God did not exist Man would be obliged to invent him, and was reviled for the remark.
— Carl Sagan
The method of science, as stodgy and grumpy as it may seem, is far more important than the findings of science.
— Carl Sagan
On the day that we do discover that we are not alone, our society may begin to evolve and transform in some incredible and wondrous new ways.
— Carl Sagan
Except for fools and madmen, everyone knows that nuclear war would he an unprecedented human catastrophe.
— Carl Sagan
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
— Carl Sagan
We make our purpose.
— Carl Sagan
But if they called everything divine which they do not understand, why, there would be no end of divine beings.
— Carl Sagan
It is said that men may not be the dreams of the god, but rather that the gods are the dreams of men.
— Carl Sagan
Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.
— Carl Sagan
I hold that popularization of science is successful if, at first, it does no more than spark the sense of wonder.
— Carl Sagan
[S]cience has itself become a kind of religion.
— Carl Sagan
Liberation from superstition is a necessary but not a sufficient condition for science.
— Carl Sagan
If we are to survive, our loyalties must be broadened further, to include the whole human community, the entire planet Earth.
— 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.
— Carl Sagan
A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun to someone.
— Carl Sagan
The fact that someone says something doesn't mean it's true. Doesn't mean they're lying, but it doesn't mean it's true.
— Carl Sagan
Our very existence in that distant time requires that we will have changed our institutions and ourselves.
— Carl Sagan
If people knew how many people, especially the very rich and powerful ones, went to psychics, their jaws would drop through the floor,
— Carl Sagan
Our perceptions are fallible. We sometimes see what isn't there. We are prey to optical illusions. Occasionally we hallucinate. We are error-prone.
— Carl Sagan
Except for children (who don't know enough not to ask the important questions), few of us spendtime wondering why nature is the way it is ...
— Carl Sagan
The words "question" and "quest" are cognates. Only through inquiry can we discover truth.
— Carl Sagan
The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
— Carl Sagan
We are all stardust
— Carl Sagan
It is a characteristic conceit of our species to put human face on random cosmic violence.
— Carl Sagan
Even after 400 generations in villages and cities, we haven't forgotten. The open road still softly calls, like a nearly forgotten song of childhood.
— Carl Sagan
How can you tell when someone is only imagining?
— Carl Sagan
The fifth regular solid must then, they thought, correspond to some fifth element that could only be the substance of the heavenly bodies.
— Carl Sagan
Everything not forbidden by the laws of nature, he assured her - quoting a colleague down the hall - is mandatory.
— Carl Sagan
The dumbing down of America is evident in the slow decay of substantive content, a kind of celebration of ignorance.
— Carl Sagan
I believe that in every person is a kind of circuit which resonates to intellectual discovery-and the idea is to make that resonance work
— Carl Sagan
Valid criticism does you a favor.
— Carl Sagan
If the greenhouse effect is a blanket in which we wrap ourselves to keep warm, nuclear winter kicks the blanket off.
— Carl Sagan
Accommodation to change, the thoughtful pursuit of alternative futures are keys to the survival of civilization and perhaps of the human species.
— Carl Sagan