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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.

Carl Sagan

All civilizations become either spacefaring or extinct.
CARL SAGAN

Civilization Extinct Science Space
The Earth is the only world known so far to harbor life.
CARL SAGAN

Earth Harbor Life
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
Science is a way of thinking much more than it is a body of knowledge.
CARL SAGAN

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

Business Carry Imagination Inspirational World
The absence of evidence is not evidence of absence.
CARL SAGAN

Absence Evidence One Liner
To live in the hearts we leave behind is to live forever.
CARL SAGAN

Break Up Couple Deep Forever Heart Leaving Live Love
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
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
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
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
People are not stupid. They believe things for reasons.
CARL SAGAN

Believe Deep People Reason Stupidity
Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
CARL SAGAN

Cosmic Enough Explore Investigation Nature Ocean Ready Sail Shore Stars Wander
The price we pay for anticipation of the future is anxiety about it.
CARL SAGAN

Anticipation Anxiety Future Pay Price
When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
CARL SAGAN

Distant Fusion Look Night Nuclear Science Shine Stars

Not explaining science seems to me perverse. When you’re in love, you want to tell the world.

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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.

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Popular Authors

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