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  • Carl Sagan Quotes   592
  • For me, the most ironic token of [the first human moon landing] is the plaque signed by President Richard M. Nixon that Apollo 11 took to the moon. It reads, ‘We came in peace for all Mankind.’ As the United States was dropping seven and a half megatons of conventional explosives on small nations in Southeast Asia, we congratulated ourselves on our humanity. We would harm no one on a lifeless rock.
    • 5 years ago



    Tags : Carl Sagan Quotes , Moon Quotes , Rocks Quotes
  • After the earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun, there will be other worlds and stars and galaxies coming into being - and they will know nothing of a place once called Earth.
    • 5 years ago



    Tags : Carl Sagan Quotes , Stars Quotes , Years Quotes
  • Our intelligence is imperfect, surely, and newly arisen; the ease with which it can be sweet-talked, overwhelmed, or subverted by other hardwired propensities - sometimes themselves disguised as the cool light of reason - is worrisome.
    • 5 years ago



    Tags : Carl Sagan Quotes , Sweet Quotes , Truth Quotes
  • Anything else you're interested in is not going to happen if you can't breathe the air and drink the water. Don't sit this one out. Do something. You are by accident of fate alive at an absolutely critical moment in the history of our planet.
    • 5 years ago



    Tags : Carl Sagan Quotes , Fate Quotes , Rivers Quotes
  • [Science] 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. ... The obvious is sometimes false; the unexpected is sometimes true.
    • 5 years ago



    Tags : Carl Sagan Quotes , Science Quotes , Self Quotes
  • The library connects us with the insight 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 our history, to instruct us without tiring, and to inspire us to make our own contribution to the collective knowledge of the human species.
    • 5 years ago



    Tags : Carl Sagan Quotes , Teacher Quotes , Inspire Quotes
  • The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge, and there's no place for it in the endeavor of science. We do not know beforehand where fundamental insights will arise from about our mysterious and lovely solar system. The history of our study of our solar system shows us clearly that accepted and conventional ideas are often wrong, and that fundamental insights can arise from the most unexpected sources.
    • 5 years ago



    Tags : Carl Sagan Quotes , Ideas Quotes , Lovely Quotes
  • For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck away in an obscure corner ... on an unexceptional galaxy which is one of about 100 billion galaxies. ... That is the fundamental fact of the universe we inhabit, and it is very good for us to understand that.
    • 5 years ago



    Tags : Carl Sagan Quotes , Stars Quotes , Humility Quotes
  • If we teach only the findings and products of science - no matter how useful and even inspiring they may be - without communicating its critical method, how can the average person possibly distinguish science from pseudoscience?
    • 5 years ago



    Tags : Carl Sagan Quotes , Pain Quotes , Average Quotes