If it can be destroyed by the truth, it deserves to be destroyed by the truth.
CARL SAGANA galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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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We live on a mote of dust suspended in a sunbeam.
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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 nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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Where we have strong emotions, we’re liable to fool ourselves.
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We are star stuff harvesting sunlight.
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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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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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Extraordinary claims require extraordinary evidence.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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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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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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We are like butterflies who flutter for a day and think it is forever.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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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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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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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.
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Your god is too small for my universe.
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Somewhere, something incredible is waiting to be known.
CARL SAGAN