The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
CARL SAGANEvery kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
More Carl Sagan Quotes
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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.
CARL SAGAN -
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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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
CARL SAGAN -
If you wish to make an apple pie from scratch, you must first invent the universe.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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The Earth is the only world known so far to harbor life.
CARL SAGAN -
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
CARL SAGAN -
If we ruin the earth, there is no place else to go.
CARL SAGAN -
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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Those at too great a distance may, I am well are, mistake ignorance for perspective.
CARL SAGAN -
You are worth about 3 dollars worth in chemicals.
CARL SAGAN -
Stars are phoenixes, rising from their own ashes.
CARL SAGAN -
The absence of evidence is not evidence of absence.
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We are star stuff which has taken its destiny into its own hands.
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Science is a way to not fool ourselves.
CARL SAGAN