The universe is not required to be in perfect harmony with human ambition.
CARL SAGANThe visions we offer our children shape the future.
More Carl Sagan Quotes
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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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People are not stupid. They believe things for reasons.
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I don’t want to believe. I want to know.
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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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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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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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The price we pay for anticipation of the future is anxiety about it.
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We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an obscure clod of rock.
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Other things being equal, it is better to be smart than to be stupid.
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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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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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Across the sea of space, the stars are other suns.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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Extraordinary claims require extraordinary evidence.
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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.
CARL SAGAN