There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
CARL SAGANScience 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.
More Carl Sagan Quotes
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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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Extraordinary claims require extraordinary evidence.
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People are not stupid. They believe things for reasons.
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Extinction is the rule. Survival is the exception.
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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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Nothing disturbs me more than the glorification of stupidity.
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Stars are phoenixes, rising from their own ashes.
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We are star stuff harvesting sunlight.
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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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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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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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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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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.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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The universe is not required to be in perfect harmony with human ambition.
CARL SAGAN







