The Earth is the only world known so far to harbor life.
CARL SAGANI 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.
More Carl Sagan Quotes
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
CARL SAGAN -
Every star may be a sun to someone.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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Books break the shackles of time, proof that humans can work magic.
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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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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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Extraordinary claims require extraordinary evidence.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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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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Extinction is the rule. Survival is the exception.
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Your god is too small for my universe.
CARL SAGAN -
Other things being equal, it is better to be smart than to be stupid.
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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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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
CARL SAGAN -
Nature is unsentimental. Death is built in.
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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.
CARL SAGAN -
Science is a way to not fool ourselves.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
CARL SAGAN -
Better the hard truth, I say, than the comforting fantasy.
CARL SAGAN -
The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
CARL SAGAN -
The Earth is a very small stage in a vast cosmic arena.
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Somewhere, something incredible is waiting to be known.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
CARL SAGAN -
The universe seems neither benign nor hostile, merely indifferent.
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You have to know the past to understand the present.
CARL SAGAN