Science is a way to not fool ourselves.
CARL SAGANThe total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
More Carl Sagan Quotes
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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.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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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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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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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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Science is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course.
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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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We make our world significant by the courage of our questions and the depth of our answers.
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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.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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Books break the shackles of time, proof that humans can work magic.
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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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