Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
CARL SAGANWe are a way for the cosmos to know itself.
More Carl Sagan Quotes
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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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We live on a mote of dust suspended in a sunbeam.
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We can’t help it. Life looks for life.
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Books break the shackles of time, proof that humans can work magic.
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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 as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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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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One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
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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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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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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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Science is not only compatible with spirituality; it is a profound source of spirituality.
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Extraordinary claims require extraordinary evidence.
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Your god is too small for my universe.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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The absence of evidence is not evidence of absence.
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I would suggest that science is, at least in my part, informed worship.
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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 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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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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People are not stupid. They believe things for reasons.
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What an astonishing thing a book is.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
CARL SAGAN