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Don’t judge everyone else by your own limited experience.

Carl Sagan

The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
CARL SAGAN

Atom Beauty Cosmic Couple Live Marriage Togetherness
If you wish to make an apple pie from scratch, you must first invent the universe.
CARL SAGAN

Apple Invention Science Scratch Universe
Science is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course.
CARL SAGAN

Attempt Course Ourselves Safe Science Success Understand World
Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN

Certain Except False Mathematics Pure
The Earth is the only world known so far to harbor life.
CARL SAGAN

Earth Harbor Life
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
Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGAN

Ability Bird Fly Motivational Separate Walk Work Hard
We make our world significant by the courage of our questions and the depth of our answers.
CARL SAGAN

Courage Depth Significance World
The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
CARL SAGAN

Act Celebration Cosmic Magnificant Merge Modest Scale Understand
Science is a way of thinking much more than it is a body of knowledge.
CARL SAGAN

Body Knowledge Science Thinking
A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
CARL SAGAN

Assemble Book Leaf Print Tree
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
CARL SAGAN

Dependent Exquisite Live Science Society Technology
Where we have strong emotions, we’re liable to fool ourselves.
CARL SAGAN

Atheist Emotion Fools Liable Ourselves Strong
Imagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGAN

Business Carry Imagination Inspirational World
Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
CARL SAGAN

Argument Authority Expert Future Mistake Past Weight
The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
CARL SAGAN

desperatel Determination Preference Prejudice Puzzle True Truth Want Work

Don’t judge everyone else by your own limited experience.

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Don’t judge everyone else by your own limited experience.

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