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People are not stupid. They believe things for reasons.

Carl Sagan

Human beings have a demonstrated talent for self-deception when their emotions are stirred.
CARL SAGAN

Deception Demonstrate Emotion Human
An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
CARL SAGAN

Against Atheist Certain Evidence Existence God
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

Beach Earth Grain Number Planet Sand Science Stars Universe
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 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
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
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
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
Extraordinary claims require extraordinary evidence.
CARL SAGAN

Claim Evidence Extraordinary One Liner Requirement Science
If it can be destroyed by the truth, it deserves to be destroyed by the truth.
CARL SAGAN

Deserve Destroy Justice Science Truth
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
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
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
There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
CARL SAGAN

Delicate Forbidden Matter Scare Science Sensitive Truth
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
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.

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People are not stupid. They believe things for reasons.

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