Imagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGANWe live on a mote of dust suspended in a sunbeam.
More Carl Sagan Quotes
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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The Earth is a very small stage in a vast cosmic arena.
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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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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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Other things being equal, it is better to be smart than to be stupid.
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I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
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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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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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We are star stuff which has taken its destiny into its own hands.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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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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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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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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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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Science is a way to not fool ourselves.
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The visions we offer our children shape the future.
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The universe seems neither benign nor hostile, merely indifferent.
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The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
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The universe is not required to be in perfect harmony with human ambition.
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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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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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You have to know the past to understand the present.
CARL SAGAN