Memorable Carl Sagan Quotes

58 result(s) for Carl Sagan Quotes.
"We make our world significant by the courage of our questions and by the depth of our answers."
Carl Sagan
"We are a way for the universe to know itself."
Carl Sagan
"There are naive questions, tedious questions, ill-phrased questions, questions put after inadequate self-criticism. But every question is a cry to understand the world. There is no such thing as a dumb question."
Carl Sagan
"We are star stuff which has taken its destiny into its own hands."
Carl Sagan
"The universe seems neither benign nor hostile, merely indifferent to the concerns of such puny creatures as we are."
Carl Sagan
"We are all connected; To each other, biologically. To the earth, chemically. To the rest of the universe atomically."
Carl Sagan
"Imagination will often carry us to worlds that never were, but without it, we go nowhere."
Carl Sagan
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"We are star stuff harvesting sunlight."
Carl Sagan
"Understanding is a kind of ecstasy."
Carl Sagan
"The brain is like a muscle. When it is in use, we feel very good. Understanding is joy."
Carl Sagan
"The cosmos is all that is, or ever was, or ever will be."
Carl Sagan
"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
"Imagination will see the invisible, feel the intangible, and achieve the impossible."
Carl Sagan
"We are stardust brought to life, then empowered by the universe to figure itself out, and we have only just begun."
Carl Sagan
"Exploration is in our nature. We began as wanderers, and we are wanderers still."
Carl Sagan
"The brain is like a muscle. When it is in use, we feel very good. Understanding is joyous."
Carl Sagan
"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."
Carl Sagan
"Every one of us is, in the cosmic perspective, precious."
Carl Sagan
"The universe seems neither benign nor hostile, merely indifferent."
Carl Sagan
"Absent evidence is not evidence of absence."
Carl Sagan
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring."
Carl Sagan
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"Science is a way of thinking much more than it is a body of knowledge."
Carl Sagan
"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
"You have to know the past to understand the present."
Carl Sagan
"In the vastness of space and the immensity of time, it's my joy to share a planet and an epoch with Annie."
Carl Sagan
"Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense."
Carl Sagan
"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. We have a method, and that method helps us to reach not absolute truth, only asymptotic approaches to the truth—never there, just closer and closer, always finding vast new oceans of undiscovered possibilities."
Carl Sagan
"We are made of star stuff."
Carl Sagan
"The universe is not required to be in perfect harmony with human ambition."
Carl Sagan
"Extinction is the rule. Survival is the exception."
Carl Sagan
"Imagination will often carry us to worlds that never were. But without it we go nowhere."
Carl Sagan
"The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars."
Carl Sagan
"The cosmos is within us. We are made of star-stuff. We are a way for the cosmos to know itself."
Carl Sagan
"We make our world significant by the courage of our questions and the depth of our answers."
Carl Sagan
"What an astonishing thing a book is. It's a flat object made from a tree with flexible parts on which are imprinted lots of funny dark squiggles."
Carl Sagan
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"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."
Carl Sagan
"The cosmos is full beyond measure of elegant truths, of exquisite interrelationships, of the awesome machinery of nature."
Carl Sagan
"It pays to keep an open mind, but not so open your brains fall out."
Carl Sagan
"Somewhere, something incredible is waiting to be known."
Carl Sagan
"The cosmos is within us. We are made of star-stuff."
Carl Sagan
"Extraordinary claims require extraordinary evidence."
Carl Sagan
"We are a way for the cosmos to know itself."
Carl Sagan
"Imagination will often carry us to worlds that never were. But without it, we go nowhere."
Carl Sagan
"The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff."
Carl Sagan
"Science is not only compatible with spirituality; it is a profound source of spirituality."
Carl Sagan
"For small creatures such as we, the vastness is bearable only through love."
Carl Sagan
"Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another."
Carl Sagan
"If you wish to make an apple pie from scratch, you must first invent the universe."
Carl Sagan
"The absence of evidence is not the evidence of absence."
Carl Sagan
"We're made of star stuff. We are a way for the cosmos to know itself."
Carl Sagan
"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
Carl Sagan
"We are like butterflies who flutter for a day and think it is forever."
Carl Sagan
"If you want to make an apple pie from scratch, you must first invent the universe."
Carl Sagan
"The beauty of living things is not the atoms that go into it, but the way those atoms are put together."
Carl Sagan
"The universe is a pretty big place. If it's just us, seems like an awful waste of space."
Carl Sagan
"Absence of evidence is not evidence of absence."
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."
Carl Sagan
"The significance of our lives and our fragile planet is then determined only by our own wisdom and courage."
Carl Sagan
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