Nature is unsentimental. Death is built in.
CARL SAGANWe make our world significant by the courage of our questions and the depth of our answers.
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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The universe is not required to be in perfect harmony with human ambition.
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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 a way for the cosmos to know itself.
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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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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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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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Stars are phoenixes, rising from their own ashes.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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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 can’t help it. Life looks for life.
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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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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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All civilizations become either spacefaring or extinct.
CARL SAGAN