The absence of evidence is not evidence of absence.
CARL SAGANOne of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
More Carl Sagan Quotes
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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The only thing we’ve found that makes the emptiness bearable, is each other.
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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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We are like butterflies who flutter for a day and think it is forever.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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We are all stardust.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
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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.
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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We make our world significant by the courage of our questions and the depth of our answers.
CARL SAGAN