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Carl Sagan Quote - The absence of evidence is not evidence of absence.

The absence of evidence is not evidence of absence.

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Absence Evidence One Liner

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

We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
CARL SAGAN

Bound Human Quality Religion Science Thirist Wonder
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 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
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
Human beings have a demonstrated talent for self-deception when their emotions are stirred.
CARL SAGAN

Deception Demonstrate Emotion Human
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
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
Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
CARL SAGAN

Depth Different Giving Involvement Love Number Perhaps Relationship
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
If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
CARL SAGAN

Accumulate Destroy Ourselves Power Sure Wisdom
Don’t judge everyone else by your own limited experience.
CARL SAGAN

Experience Judgement Life Limitation
Extraordinary claims require extraordinary evidence.
CARL SAGAN

Claim Evidence Extraordinary One Liner Requirement Science
I’ve always thought an agnostic is an atheist without the courage of his convictions.
CARL SAGAN

Atheist Conviction Courage
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
Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN

Certain Except False Mathematics Pure

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