The absence of evidence is not evidence of absence.
CARL SAGANWriting is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
More Carl Sagan Quotes
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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Every 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.
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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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For small creatures such as we the vastness is bearable only through love.
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Extraordinary claims require extraordinary evidence.
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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
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To live in the hearts we leave behind is to live forever.
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We are all stardust.
CARL SAGAN -
There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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The universe is not required to be in perfect harmony with human ambition.
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Nothing disturbs me more than the glorification of stupidity.
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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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One of the great commandments of science is: Mistrust arguments from authority.
CARL SAGAN