I don’t want to believe. I want to know.
CARL SAGANThere are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
More Carl Sagan Quotes
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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
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We are like butterflies who flutter for a day and think it is forever.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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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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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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The universe is not required to be in perfect harmony with human ambition.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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Where we have strong emotions, we’re liable to fool ourselves.
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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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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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Science is a way of thinking much more than it is a body of knowledge.
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The absence of evidence is not evidence of absence.
CARL SAGAN