Carl Sagan quotes

A list created by: Lee Sonogan

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An old astronomer, astrophysicist, cosmologist, author, science communicator and much more with a lot to say. He is best known for Cosmos: A Personal Voyage, Contract, and Pale Blue Dot. He died in the year of 1996 at the age of 62. Influencing many he highly influenced Neil deGrasse Tyson.

  • “Science is not only compatible with spirituality; it is a profound source of spirituality.”
    ― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark
  • “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
  • “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, The Demon-Haunted World: Science as a Candle in the Dark
  • “Extraordinary claims require extraordinary evidence.”
    ― Carl Sagan
  • “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. We’re no longer interested in finding out the truth. The bamboozle has captured us. It’s simply too painful to acknowledge, even to ourselves, that we’ve been taken. Once you give a charlatan power over you, you almost never get it back.”
    ― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark
  • “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
  • “The universe is a pretty big place. If it’s just us, seems like an awful waste of space.”
    ― Carl Sagan, Contact
  • “The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.”
    ― Carl Sagan
  • “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, Broca’s Brain: Reflections on the Romance of Science
  • “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
  • “I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.”
    ― Carl Sagan
  • “we make our world significant by the courage of our questions and the depth of our answers”
    ― Carl Sagan, Cosmos
  • “The illegality of cannabis is outrageous, an impediment to full utilization of a drug which helps produce the serenity and insight, sensitivity and fellowship so desperately needed in this increasingly mad and dangerous world.”
    ― Carl Sagan
  • “The world is so exquisite with so much love and moral depth, that there is no reason to deceive ourselves with pretty stories for which there’s little good evidence. 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
  • “It’s hard to kill a creature once it lets you see its consciousness.”
    ― Carl Sagan, Contact
  • “An organism at war with itself is doomed.”
    ― Carl Sagan
  • “If we can’t think for ourselves, if we’re unwilling to question authority, then we’re just putty in the hands of those in power. But if the citizens are educated and form their own opinions, then those in power work for us. In every country, we should be teaching our children the scientific method and the reasons for a Bill of Rights. With it comes a certain decency, humility and community spirit. In the demon-haunted world that we inhabit by virtue of being human, this may be all that stands between us and the enveloping darkness.”
    ― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark
  • “Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.”
    ― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark
  • “If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.”
    ― Carl Sagan, Cosmos
  • “The visions we offer our children shape the future. ”
    ― Carl Sagan
  • “Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage – at the very least the courage to question the conventional wisdom.”
    ― Carl Sagan
  • “You are worth about 3 dollars worth in chemicals.”
    ― Carl Sagan, Cosmos
  • “Understanding is a kind of ecstasy” ― Carl Sagan, Broca’s Brain: Reflections on the Romance of Science
  • “But I could be wrong.”
    ― Carl Sagan

Constantly referenced by Neil deGrasse Tyson, I have looked at his other works. He expresses science and space in an interesting way. People of the past have a lot to offer modern-day society and can influence you the same similar to modern day thinkers and creators. History of any topic can help you improve your understanding of any topic/subject you may already know of.

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