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57 Powerful Carl Sagan Quotes

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Carl Sagon Quotes

Carl Edward Sagan was an American astronomer and a science writer. He was born on November 9, 1934, in Brooklyn (New York). Carl was an advisor to NASA for unmanned science missions. Carl was an influential and controversial figure (among various groups) in the United States because of his particular views on extraterrestrial intelligence(SETI), religion, and nuclear weapons.

Carl Sagan Work

Carl’s early work was based on the physical condition of the planets specifically on the atmosphere of Jupiter and Venus. Later he became interested in finding out if there is life on any other planet other than earth and in search of SETI. His fellow scientist criticized him for wasting resources to find out a fantasy that will eventually doom to failure.

His research on the atmosphere of planets (astrobiology) and his reputation as a spokesperson of science are worth mentioning. In the 1970s and 80s, he was one of the best-known scientists in the United States. He spent his life making it easy for people to understand science and its rational nature. He co-founded an international non-profit organization for science exploration in 1980.

He got recognition through his television series Cosmos, in 1980 which was written by him and his wife. His book with the same title became a best seller and was then followed by several other books based on science.

Carl Sagan’s Pale Blue Dot

The phrase Pale Blue Dot was coined by Carl in 1994. Sagan wrote a science-fiction novel and it was converted into a successful film in 1994 named Pale Blue Dot: A vision of human future in space.

Pale Blue Dot is basically a photograph taken of the earth on Feb 14, 1990, at a distance of 3.7 billion miles from the sun, by a voyager of NASA. Carl’s book and film title was inspired by this Pale Blue Dot about which he states “Look again at the dot, that’s here, that’s home, that’s us”.

Let’s have a look at some more Carl Sagan quote on the Pale Blue Dot

10 aspiring Carl Sagon Quote from Pale Blue Dot

  1. “Look again at that dot. That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there-on a mote of dust suspended in a sunbeam.” – Carl Sagan

    “The Earth is a very small stage in a vast cosmic arena. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds. 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

    “Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.” – Carl Sagan

    “The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not, for the moment the Earth is where we make our stand.” – Carl Sagan

    “It has been said that astronomy is a humbling and character-building experience. There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we’ve ever known.” – Carl Sagan

  2. “How is it that hardly any major religion has looked at science and concluded, “This is better than we thought! The Universe is much bigger than our prophets said, grander, more subtle, more elegant?” Instead they say, “No, no, no! My god is a little god, and I want him to stay that way.” A religion, old or new, that stressed the magnificence of the Universe as revealed by modern science might be able to draw forth reserves of reverence and awe hardly tapped by the conventional faiths.” – Carl Sagan

  3. “Look again at that dot. That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there–on a mote of dust suspended in a sunbeam.” – Carl Sagan

  4. “The significance of our lives and our fragile planet is then determined only by our own wisdom and courage. We are the custodians of life’s meaning. We long for a Parent to care for us, to forgive us our errors, to save us from our childish mistakes. But knowledge is preferable to ignorance. Better by far to embrace the hard truth than a reassuring fable. If we crave some cosmic purpose, then let us find ourselves a worthy goal.” – Carl Sagan

  5. “It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it not stirring to understand how the world actually works — that white light is made of colors, that color is the way we perceive the wavelengths of light, that transparent air reflects light, that in so doing it discriminates among the waves, and that the sky is blue for the same reason that the sunset is red? It does no harm to the romance of the sunset to know a little bit about it.” – Carl Sagan

  6. “Before we invented civilization our ancestors lived mainly in the open out under the sky. Before we devised artificial lights and atmospheric pollution and modern forms of nocturnal entertainment we watched the stars. There were practical calendar reasons of course but there was more to it than that. Even today the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling stars. When it happens to me after all these years it still takes my breath away.” – Carl Sagan

  7. “Ann Druyan suggests an experiment: Look back again at the pale blue dot of the preceding chapter. Take a good long look at it. Stare at the dot for any length of time and then try to convince yourself that God created the whole Universe for one of the 10 million or so species of life that inhabit that speck of dust. Now take it a step further: Imagine that everything was made just for a single shade of that species, or gender, or ethnic or religious subdivision. If this doesn’t strike you as unlikely, pick another dot. Imagine it to be inhabited by a different form of intelligent life. They, too, cherish the notion of a God who has created everything for their benefit. How seriously do you take their claim?” – Carl Sagan

  8. “A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a blade of grass is priceless, what is the value of a human being?” – Carl Sagan

  9. “Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.” – Carl Sagan

  10. “Science cuts two ways, of course; its products can be used for both good and evil. But there’s no turning back from science. The early warnings about technological dangers also come from science.” – Carl Sagan

5 Carl Sagan Inspiring Science Quotes

Being an astronomer Carl loved the universe and everything related to it. Science was his first love. Let’s know more about him through his quote on science, love, life, human, Cosmos, and God.

  1. “A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds of dogma and to guarantee the freedom to publish, to contradict, and to experiment. Arguments from authority are unacceptable.” – Carl Sagan

  2. “If you take a look at science in its everyday function, of course you find that scientists run the gamut of human emotions and personalities and character and so on. But there’s one thing that is really striking to the outsider, and that is the gauntlet of criticism that is considered acceptable or even desirable. The poor graduate student at his or her Ph.D. oral exam is subjected to a withering crossfire of questions that sometimes seem hostile or contemptuous; this from the professors who have the candidate’s future in their grasp. The students naturally are nervous; who wouldn’t be? True, they’ve prepared for it for years. But they understand that at that critical moment they really have to be able to answer questions. So in preparing to defend their theses, they must anticipate questions; they have to think, “Where in my thesis is there a weakness that someone else might find — because I sure better find it before they do, because if they find it and I’m not prepared, I’m in deep trouble.” – Carl Sagan

  3. “Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.” – Carl Sagan

  4. “That kind of skeptical, questioning, “don’t accept what authority tells you” attitude of science — is also nearly identical to the attitude of mind necessary for a functioning democracy. Science and democracy have very consonant values and approaches, and I don’t think you can have one without the other.” – Carl Sagan

  5. “Who is humbler? The scientist who looks at the universe with an open mind and accepts whatever it 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

2 Carl Sagan Quote on GOD

  1. “Those who raise questions about the God hypothesis and the soul hypothesis are by no means all atheists. An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence. Because God can be relegated to remote times and places and to ultimate causes, we would have to know a great deal more about the universe than we do to be sure that no such God exists. To be certain of the existence of God and to be certain of the nonexistence of God seem to me to be the confident extremes in a subject so riddled with doubt and uncertainty as to inspire very little confidence indeed.” – Carl Sagan

  2. “The idea that God is an oversized white male with a flowing beard who sits in the sky and tallies the fall of every sparrow is ludicrous. But if by God one means the set of physical laws that govern the universe, then clearly there is such a God. This God is emotionally unsatisfying… it does not make much sense to pray to the law of gravity.” – Carl Sagan

3 Carl Sagan Quote on Human

  1. “Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain. A sharp distinction between humans and ‘animals’ is essential if we are to bend them to our will, make them work for us, wear them, eat them — without any disquieting tinges of guilt or regret. It is unseemly of us, who often behave so unfeelingly toward other animals, to contend that only humans can suffer. The behavior of other animals renders such pretensions specious. They are just too much like us.” – Carl Sagan

  2. “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. Cleverly designed experiments are the key.” – Carl Sagan

  3. “I had become friendly with a group of people who occasionally smoked cannabis, irregularly, but with evident pleasure. Initially I was unwilling to partake, but the apparent euphoria that cannabis produced and the fact that there was no physiological addiction to the plant eventually persuaded me to try. My initial experiences were entirely disappointing; there was no effect at all, and I began to entertain a variety of hypotheses about cannabis being a placebo which worked by expectation and hyperventilation rather than by chemistry. After about five or six unsuccessful attempts, however, it happened.” – Carl Sagan

2 Carl Sagan Quote on Life

  1. “I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But 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

  2. “There’s a part of me making, creating the perceptions which in everyday life would be bizarre; there’s another part of me which is a kind of observer. About half of the pleasure comes from the observer-part appreciating the work of the creator-part. I smile, or sometimes even laugh out loud at the pictures on the insides of my eyelids. In this sense, I suppose cannabis is psychotomimetic, but I find none of the panic or terror that accompanies some psychoses. Possibly this is because I know it’s my own trip, and that I can come down rapidly any time I want to.” – Carl Sagan

35 Carl Sagan Inspiring Quote from Cosmos

  1. “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

  2. “The Cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us — there is a tingling in the spine, a catch in the voice, a faint sensation as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries.” – Carl Sagan

  3. “The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home. In a cosmic perspective, most human concerns seem insignificant, even petty. And yet our species is young and curious and brave and shows much promise. In the last few millennia we have made the most astonishing and unexpected discoveries about the Cosmos and our place within it, explorations that are exhilarating to consider. They remind us that humans have evolved to wonder, that understanding is a joy, that knowledge is prerequisite to survival. I believe our future depends powerfully on how well we understand this Cosmos in which we float like a mote of dust in the morning sky.” – Carl Sagan

  4. “We are like butterflies who flutter for a day and think it’s forever.” – Carl Sagan

  5. “The fossil record implies trial and error, an inability to anticipate the future, features inconsistent with an efficient Great Designer.” – Carl Sagan

  6. “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.” – Carl Sagan

  7. “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.” – Carl Sagan

  8. “The suppression of uncomfortable ideas may be common in religion and politics, but it is not the path to knowledge; it has no place in the endeavor of science.” – Carl Sagan

  9. “With insufficient data it is easy to go wrong.” – Carl Sagan

  10. “Our intelligence and our technology have given us the power to affect the climate. How will we use this power? Are we willing to tolerate ignorance and complacency in matters that affect the entire human family? Do we value short-term advantages above the welfare of the Earth? Or will we think on longer time scales, with concern for our children and our grandchildren, to understand and protect the complex life-support systems of our planet? The Earth is a tiny and fragile world. It needs to be cherished.” – Carl Sagan

  11. “Human beings have a demonstrated talent for self-deception when their emotions are stirred.” – Carl Sagan

  12. “For a long time the human instinct to understand was thwarted by facile religious explanations.” – Carl Sagan

  13. “They (i. e., the Pythagoreans) did not advocate the free confrontation of conflicting points of view. Instead, like all orthodox religions, they practised a rigidity that prevented them from correcting their errors.” – Carl Sagan

  14. “The Platonists and their Christian successors held the peculiar notion that the Earth was tainted and somehow nasty, while the heavens were perfect and divine. The fundamental idea that the Earth is a planet, that we are citizens of the Universe, was rejected and forgotten.” – Carl Sagan

  15. “For as long as there been humans we have searched for our place in the cosmos. Where are we? Who are we? We find that we live on an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. This perspective is a courageous continuation of our penchant for constructing and testing mental models of the skies; the Sun as a red-hot stone, the stars as a celestial flame, the Galaxy as the backbone of night.” – Carl Sagan

  16. “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.” – Carl Sagan

  17. “We embarked on our journey to the stars with a question first framed in the childhood of our species and in each generation asked anew with undiminished wonder: What are the stars? Exploration is in our nature. We began as wanderers, and we are wanderers still. 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

  18. “Astronomically, the U. S. S. R. and the United States are the same place.” – Carl Sagan

  19. “Relativity does set limits on what humans can ultimately do. But the universe is not required to be in perfect harmony with human aspirations.” – Carl Sagan

  20. “I have…a terrible need…shall I say the word?…of religion. Then I go out at night and paint the stars.” – Carl Sagan

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

  22. “Matter is composed chiefly of nothing.” – Carl Sagan

  23. “A googolplex is precisely as far from infinity as is the number 1… no matter what number you have in mind, infinity is larger still.” – Carl Sagan

  24. “The universe seems neither benign nor hostile, merely indifferent to the concerns of such puny creatures as we are.” – Carl Sagan

  25. “Nobody listens to mathematicians.” – Carl Sagan

  26. “The neurochemistry of the brain is astonishingly busy, the circuitry of a machine more wonderful than any devised by humans. But there is no evidence that its functioning is due to anything more than the 1014 neural connections that build an elegant architecture of consciousness.” – Carl Sagan

  27. “Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insights and knowledge, painfully extracted from Nature, of the greatest minds that ever were, with the best teachers, drawn from the entire planet and from all of our history, to instruct us without tiring, and to inspire us to make our own contribution to the collective knowledge of the human species. Public libraries depend on voluntary contributions. I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.” – Carl Sagan

  28. “Other things being equal, it is better to be smart than to be stupid.” – Carl Sagan

  29. “The choice is with us still, but the civilization now in jeopardy is all humanity. As the ancient myth makers knew, we are children equally of the earth and the sky. In our tenure on this planet we’ve accumulated dangerous evolutionary baggage — propensities for aggression and ritual, submission to leaders, hostility to outsiders — all of which puts our survival in some doubt. But we’ve also acquired compassion for others, love for our children and desire to learn from history and experience, and a great soaring passionate intelligence — the clear tools for our continued survival and prosperity. Which aspects of our nature will prevail is uncertain, particularly when our visions and prospects are bound to one small part of the small planet Earth. But up there in the immensity of the Cosmos, an inescapable perspective awaits us. There are not yet any obvious signs of extraterrestrial intelligence and this makes us wonder whether civilizations like ours always rush implacably, headlong, toward self-destruction. National boundaries are not evident when we view the Earth from space. Fanatical ethnic or religious or national chauvinisms are a little difficult to maintain when we see our planet as a fragile blue crescent fading to become an inconspicuous point of light against the bastion and citadel of the stars. Travel is broadening.” – Carl Sagan

  30. “We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the human species? Who speaks for Earth?” – Carl Sagan

  31. “Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a Cosmos centered on human beings will prefer the fleeting comforts of superstition. They avoid rather than confront the world. But those with the courage to explore the weave and structure of the Cosmos, even where it differs profoundly from their wishes and prejudices, will penetrate its deepest mysteries.” – Carl Sagan

  32. “There is no other species on the Earth that does science. It is, so far, entirely a human invention, evolved by natural selection in the cerebral cortex for one simple reason: it works. It is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless. Second: whatever is inconsistent with the facts must be discarded or revised. We must understand the Cosmos as it is and not confuse how it is with how we wish it to be.” – Carl Sagan

  33. “Human history can be viewed as a slowly dawning awareness that we are members of a larger group. Initially our loyalties were to ourselves and our immediate family, next, to bands of wandering hunter-gatherers, then to tribes, small settlements, city-states, nations. We have broadened the circle of those we love. We have now organized what are modestly described as super-powers, which include groups of people from divergent ethnic and cultural backgrounds working in some sense together — surely a humanizing and character building experience. If we are to survive, our loyalties must be broadened further, to include the whole human community, the entire planet Earth. Many of those who run the nations will find this idea unpleasant. They will fear the loss of power. We will hear much about treason and disloyalty. Rich nation-states will have to share their wealth with poor ones. But the choice, as H. G. Wells once said in a different context, is clearly the universe or nothing.” – Carl Sagan

  34. “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

  35. “We are the local embodiment of a Cosmos grown to self-awareness. We have begun to contemplate our origins: star-stuff pondering the stars; organized assemblages of ten 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

10 Best Carl Sagon Quotes Images in 2021

Check out this fantastic collection of Carl Sagon quotes wallpapers below:

Carl Sagon Quotes about fossils and future

Carl Sagon Quotes about fossils and future

Carl Sagon Quotes about help from divine

Carl Sagon Quotes about help from divine

Carl Sagon Quotes about human emotions

Carl Sagon Quotes about human emotions

Carl Sagon Quotes about information importance

Carl Sagon Quotes about information importance

Carl Sagon Quotes about life as butterflies

Carl Sagon Quotes about life as butterflies

Carl Sagon Quotes about life

Carl Sagon Quotes about life

Carl Sagon Quotes about science and technology

Carl Sagon Quotes about science and technology

Carl Sagon Quotes about science

Carl Sagon Quotes about science

Carl Sagon Quotes about time importance

Carl Sagon Quotes about time importance

Carl Sagon Quotes about Value of Human Being

Carl Sagon Quotes about Value of Human Being

Summary

Carl Sagan’s life was dedicated to explore and preach science. He wanted every ordinary human to understand the art of science. What do you think of Carl’s views on science? Do you think his television series and all the other efforts made succeeded in making the science language of an ordinary man? and what’s your favorite quote?

Ranking famous celebrities on the basis of their personal finances and net worths or creating top lists of celebrities based on what similarities they have is the area Asad Hanif loves to play around. He is a personal finance, celebrity lifestyles and their net worth writer for over a decade. He has his way around researching interesting facts about famous personalities and write them in a simplified and interesting way. When he is not talking about the celebrity gossips, you will find him watching his favourite shows or escaping to the mountains with his friends.

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