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  • Carl Sagan Quotes   592
  • We seem, these days, much more willing to recognize the perils before us than we were even a decade ago. The newly recognized dangers threaten all of us, equally. No one can say how it will turn out down here. But this is also, we may note, the first time that a species has become able to journey to the planets and the stars. Sailors on a becalmed sea, we sense a stirring of the breeze.
    • 5 years ago



    Tags : Carl Sagan Quotes , Stars Quotes , Journey Quotes
  • There is no other species on 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.
    • 5 years ago



    Tags : Carl Sagan Quotes , Simple Quotes , Self Quotes
  • We are prodding, challenging, seeking contradictions or small, persistent residual errors, proposing alternative explanations, encouraging heresy. We give our highest rewards to those who convincingly disprove established beliefs.
    • 5 years ago



    Tags : Carl Sagan Quotes , Errors Quotes , Giving Quotes
  • Widespread intellectual and moral docility may be convenient for leaders in the short term, but it is suicidal for nations in the long term. One of the criteria for national leadership should therefore be a talent for understanding, encouraging, and making constructive use of vigorous criticism.
    • 5 years ago



    Tags : Carl Sagan Quotes , Suicidal Quotes , Science Quotes
  • Even Johannes Kepler, Isaac Newton, Charles Darwin, Gregor Mendel, and Albert Einstein made serious mistakes. But the scientific enterprise arranges things so that teamwork prevails: What one of us, even the most brilliant among us, misses, another of us, even someone much less celebrated and capable, may detect and rectify.
    • 5 years ago



    Tags : Carl Sagan Quotes , Teamwork Quotes , Mistake Quotes
  • ...the idea of a spiritual part of our nature that survives death, the notion of an afterlife, ought to be easy for religions and nations to sell. This is not an issue of which we might anticipate widespread skepticism. People will want to believe it, even if the evidence is meager to nil... compelling testimony ... provides that our personality, character, memory ... resides in the matter of the brain, it is easy not to focus on it, to find ways to evade the weight of the evidence.
    • 5 years ago



    Tags : Carl Sagan Quotes , Spiritual Quotes , Memories Quotes
  • Goddard represented a unique combination of visionary dedication and technological brilliance. He studied physics because he needed physics to get to Mars. In reading the notebooks of Robert Goddard, I am struck by how powerful his exploratory and scientific motivations were - and how influental speculative ideas, even erroneous ones, can be on the shaping of the future.
    • 5 years ago



    Tags : Carl Sagan Quotes , Notebook Quotes , Motivation Quotes