The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
CARL SAGANOne of the great commandments of science is: Mistrust arguments from authority.
More Carl Sagan Quotes
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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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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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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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Science is a way of thinking much more than it is a body of knowledge.
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Understanding is a kind of ecstasy.
CARL SAGAN -
One of the great commandments of science is: Mistrust arguments from authority.
CARL SAGAN -
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 make our world significant by the courage of our questions and the depth of our answers.
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Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
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I don’t want to believe. I want to know.
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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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Books break the shackles of time, proof that humans can work magic.
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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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Those at too great a distance may, I am well are, mistake ignorance for perspective.
CARL SAGAN







