Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGANThe significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
More Carl Sagan Quotes
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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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One of the great commandments of science is: Mistrust arguments from authority.
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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 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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We are a way for the cosmos to know itself.
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Science is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course.
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We are star stuff which has taken its destiny into its own hands.
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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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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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We are star stuff harvesting sunlight.
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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 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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There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
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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.
CARL SAGAN







