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If you wish to make an apple pie from scratch, you must first invent the universe.

Carl Sagan

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

Business Carry Imagination Inspirational World
Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
CARL SAGAN

Book Century Flower Lie Promise Seed Soil
The universe seems neither benign nor hostile, merely indifferent.
CARL SAGAN

Hostile Indifference Universe
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
Somewhere, something incredible is waiting to be known.
CARL SAGAN

Astronomy Incredible Inspirational Science
Your god is too small for my universe.
CARL SAGAN

Atheist God Universe
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
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.
CARL SAGAN

Book Content Finish Library Lifetime Percent Reading Time Trick Week
Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
CARL SAGAN

Explanation Love Peverse Science Want World
What an astonishing thing a book is.
CARL SAGAN

Astonish Book One Liner
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
You are worth about 3 dollars worth in chemicals.
CARL SAGAN

Chemical Science Worth
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.
CARL SAGAN

Book Dead Glance Hear Perhaps Reading Time Voice Voyage
The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
CARL SAGAN

Courage Determination Fragile Live Planet Significance Wisdom
We can’t help it. Life looks for life.
CARL SAGAN

Help Life Look Science
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
CARL SAGAN

Awake Citizen Deserve Mind Species Understand Work World

If you wish to make an apple pie from scratch, you must first invent the universe.

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If you wish to make an apple pie from scratch, you must first invent the universe.

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