A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
CARL SAGANPerhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
More Carl Sagan Quotes
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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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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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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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Understanding is a kind of ecstasy.
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People are not stupid. They believe things for reasons.
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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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Across the sea of space, the stars are other suns.
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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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Science is a way of thinking much more than it is a body of knowledge.
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We are star stuff harvesting sunlight.
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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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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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We are like butterflies who flutter for a day and think it is forever.
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Stars are phoenixes, rising from their own ashes.
CARL SAGAN