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Carl Sagan Quote - All civilizations become either spacefaring or extinct.

All civilizations become either spacefaring or extinct.

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Civilization Extinct Science Space

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Marilyn Monroe Paulo Coelho Abraham Lincoln C. S. Lewis Khalil Gibran Charlie Chaplin Gautama Buddha Isaac Newton

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.
CARL SAGAN

Awesome Cling Destroy Humanity Live Rock Sun Universe Vast World
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

Cosmic Disagree Finding Galaxy Human Love Mercy Perspective Precious
For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
CARL SAGAN

Assure Delusion Grasp Persistence Satisfaction Universe
Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
CARL SAGAN

Elegant Imagination Nature Stuble
I’ve always thought an agnostic is an atheist without the courage of his convictions.
CARL SAGAN

Atheist Conviction Courage
We make our world significant by the courage of our questions and the depth of our answers.
CARL SAGAN

Courage Depth Significance World
Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
CARL SAGAN

Blind Citizen Distant Greatness Human Invention People Togetherness Writing
Understanding is a kind of ecstasy.
CARL SAGAN

Ecstasy Kind One Liner Understand
There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGAN

Atom DNA Galaxy Molecule Science Stars Typical
You have to know the past to understand the present.
CARL SAGAN

Deep Inspirational One Liner Past Present Understand
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
CARL SAGAN

Avoid Cause Human Ignorance Misery Ourselves Particular Stupidity
I would suggest that science is, at least in my part, informed worship.
CARL SAGAN

Information Science Suggestion Worship
Those at too great a distance may, I am well are, mistake ignorance for perspective.
CARL SAGAN

Distance Greatness Ignorance Mistake Perspective
Imagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGAN

Business Carry Imagination Inspirational World
Stars are phoenixes, rising from their own ashes.
CARL SAGAN

Ash Rise Science Stars
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.
CARL SAGAN

Apple Blood Calcium DNA Interior Nitrogen Stars Teeth

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