Carl Sagan Quotes

Looking for famous quotes by Carl Sagan? Check out the list of top 51 Carl Sagan quotes and sayings.

carl saganNationality: American
Type: Scientist
Born: November 9, 1934
Died: December 20, 1996

26 Best Carl Sagan Quotes

Understanding is a kind of ecstasy.
Carl Sagan

We are star stuff harvesting sunlight.
Carl Sagan

I don’t want to believe. I want to know.
Carl Sagan

We are a way for the cosmos to know itself.
Carl Sagan

Extinction is the rule. Survival is the exception.
Carl Sagan

Across the sea of space, the stars are other suns.
Carl Sagan

You have to know the past to understand the present.
Carl Sagan

Extraordinary claims require extraordinary evidence.
Carl Sagan

The absence of evidence is not the evidence of absence.
Carl Sagan

Somewhere, something incredible is waiting to be known.
Carl Sagan

The universe seems neither benign nor hostile, merely indifferent.
Carl Sagan

It pays to keep an open mind, but not so open your brains fall out.
Carl Sagan

Atoms are mainly empty space. Matter is composed chiefly of nothing.
Carl Sagan

It’s hard to kill a creature once it lets you see its consciousness.
Carl Sagan

Books break the shackles of time, proof that humans can work magic.
Carl Sagan

Science is a way of thinking much more than it is a body of knowledge.
Carl Sagan

We are like butterflies who flutter for a day and think it is forever.
Carl Sagan

Books permit us to voyage through time, to tap the wisdom of our ancestors.
Carl Sagan

For small creatures such as we the vastness is bearable only through love.
Carl Sagan

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

The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
Carl Sagan

The cure for a fallacious argument is a better argument, not the suppression of ideas.
Carl Sagan

Science is not only compatible with spirituality; it is a profound source of spirituality.
Carl Sagan

We make our world significant by the courage of our questions and the depth of our answers.
Carl Sagan

Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
Carl Sagan

Inspiring Quotes by Carl Sagan on Humanity & Life

Every star may be a sun to someone.

We can’t help it. Life looks for life.

An organism at war with itself is doomed.

Civilization is a product of the cerebral cortex.

All inquiries carry with them some element of risk.

The visions we offer our children shape the future.

To live in the hearts we leave behind is to live forever.

A book is proof that humans are capable of working magic.

Better the hard truth, I say, than the comforting fantasy.

There are wonders enough out there without our inventing any.

The universe is not required to be in perfect harmony with human ambition.

I’ve always thought an agnostic is an atheist without the courage of his convictions.

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

We must understand the Cosmos as it is and not confuse how it is with how we wish it to be.

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

Advertising teaches people not to trust their judgment. Advertising teaches people to be stupid.

For all our failings, despite our limitations and fallibilities, we humans are capable of greatness.

Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.

The method of science, as stodgy and grumpy as it may seem, is far more important than the findings of science

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.

A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.

Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.

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