60 Inspirational Carl Sagan Quotes

Carl Edward Sagan also known as Carl Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. Carl Sagan birthday is celebrated on November 9 in his memory. He Born on 9 November 1934, Brooklyn, New York City, New York, United States, and Died on 20 December 1996, Fred Hutchinson Cancer Research Center…

Below is the collection of top famous and inspiring Carl Sagan Quotes with images.

Carl Sagan Quotes


“Science is a way of thinking much more than it is a body of knowledge.” — Carl Sagan

“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

“Somewhere, something incredible is waiting to be known.” ― Carl Sagan

“The universe is a pretty big place. If it’s just us, seems like an awful waste of space.” — Carl Sagan

“No other planet in the solar system is a suitable home for human beings; it’s this world or nothing. That’s a very powerful perception.” — Carl Sagan

“The origin and evolution of life are connected in the most intimate way with the origin and evolution of the stars.” — 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

“Far better it seems to me, in our vulnerability, is to look death in the eye and to be grateful every day for the brief but magnificent opportunity that life provides.” — Carl Sagan

Science is not only compatible with spirituality; it is a profound source of spirituality.

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

“Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.” — Carl Sagan

“Science is not only compatible with spirituality; it is a profound source of spirituality.” ― Carl Sagan

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

“In our obscurity – in all this vastness – there is no hint that help will come from elsewhere to save us from ourselves. It is up to us.” — Carl Sagan

“Not explaining science seems to me perverse. When you’re in love, you want to tell the world.” — 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

“Science is a way to not fool ourselves.” — Carl Sagan

Somewhere, something incredible is waiting to be known.

“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

“The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home.” — Carl Sagan

“Extraordinary claims require extraordinary evidence.” — Carl Sagan

“Who is running the science and technology in a democracy if the people don’t know anything about it?” — Carl Sagan

“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

“The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.” — Carl Sagan

“In science it often happens that scientists say, ‘You know that’s a really good argument; my position is mistaken,’ and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn’t happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.” — Carl Sagan

“Life is but a momentary glimpse of the wonder of this astonishing universe, and it is sad to see so many dreaming it away on fantasy.” — Carl Sagan

Carl Sagan Quotes

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

“We are entering a golden age in the study of the planets of other stars in the Milky Way galaxy.” — Carl Sagan

“We are like butterflies who flutter for a day and think it is forever.” — Carl Sagan

“The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.” — Carl Sagan

“Even these stars, which seem so numerous, are as sand, as dust – or less than dust – in the enormity of the space in which there is nothing.” — 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

“It pays to keep an open mind, but not so open your brains fall out.” ― Carl Sagan

“We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.” — Carl Sagan

The universe is a pretty big place. If it's just us, seems like an awful waste of space.

“The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.” — Carl Sagan

“It means nothing to be open to a proposition we don’t understand.” — Carl Sagan

“We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.” ― Carl Sagan

“Writing is perhaps the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.” — Carl Sagan

“If you wish to make an apple pie from scratch, you must first invent the universe.” — Carl Sagan

“The universe is vast and awesome, and for the first time we are becoming a part of it.” — 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

“One of the reasons that planetary astronomy is such a delight these days is that it is possible to find out what’s really right.” — Carl Sagan

I don't want to believe. I want to know.

“It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.” — Carl Sagan

“While theory is useful in the design of experiments, only direct experiments will convince everyone.” — Carl Sagan

“I don’t want to believe. I want to know.” ― Carl Sagan

“Extinction is the rule. Survival is the exception.” — Carl Sagan

“We start out a million years ago in a small community on some grassy plain; we hunt animals, have children, and develop a rich social, sexual, and intellectual life, but we know almost nothing about our surroundings.” — 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

“The nuclear arms race is like two sworn enemies standing waist deep in gasoline, one with three matches, the other with five.” ― Carl Sagan

“I don’t know where I’m going, but I’m on my way.” — Carl Sagan

The universe seems neither benign nor hostile, merely indifferent.

“The universe is not required to be in perfect harmony with human ambition.” — Carl Sagan

“Self-correcting, ever-changing, applicable to everything. With this tool, we vanquish the impossible.” — Carl Sagan

“we make our world significant by the courage of our questions and the depth of our answers” ― Carl Sagan

“Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us, or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?” — Carl Sagan

“It’s been said that astronomy is a humbling and, I might add, a character-building experience.” — Carl Sagan

“What a marvelous cooperative arrangement – plants and animals each inhaling each other’s exhalations, a kind of planet-wide mutual mouth-to-stoma resuscitation, the entire elegant cycle powered by a star 150 million kilometers away.” — Carl Sagan

Extraordinary claims require extraordinary evidence.

“If it can be destroyed by the truth, it deserves to be destroyed by the truth.” — Carl Sagan

“I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But as much as I want to believe that, and despite the ancient and worldwide cultural traditions that assert an afterlife, I know of nothing to suggest that it is more than wishful thinking.” — Carl Sagan

“We’re in very bad trouble if we don’t understand the planet we’re trying to save.” — Carl Sagan

“Better the hard truth, I say, than the comforting fantasy.” — Carl Sagan

“In all our searching, the only thing we’ve found that makes the emptiness bearable is each other.” — Carl Sagan

“We’re made of star stuff. We are a way for the cosmos to know itself.” — Carl Sagan

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