The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
CARL SAGANThe brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
More Carl Sagan Quotes
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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The Earth is the only world known so far to harbor life.
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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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Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
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Science is a way of thinking much more than it is a body of knowledge.
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You are worth about 3 dollars worth in chemicals.
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We are a way for the cosmos to know itself.
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We live on a mote of dust suspended in a sunbeam.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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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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Don’t judge everyone else by your own limited experience.
CARL SAGAN