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The 30 best phrases of Carl Sagan (universe, life and science)

The 30 best phrases of Carl Sagan (universe, life and science)

April 3, 2024

A unique and unrepeatable character that brought the universe to our television sets. Carl Sagan (1934 - 1996) was an American astrophysicist, astronomer and science popularizer that, for decades, he devoted himself to explain in a simple way all the mysteries surrounding the cosmos.

He was also a pioneer in the search for extraterrestrial life and his contributions were applauded by both the scientific community and the viewers.

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Phrases of Carl Sagan, the scientific popularizer for excellence


His contributions to science were widely applauded, so much so that in 1978 he won a Pullitzer Prize for his extraordinary informative work.

In this article we have set out to collect the best quotes, famous quotes and thoughts of Carl Sagan .

1. Somewhere, something incredible is waiting to be discovered.

A famous quote by Carl Sagan that shows us his explorer spirit.

2. Each one of us is precious, in a cosmic perspective. If someone disagrees with your opinions, let him live. In a trillion galaxies, you would not find another like it.

We must realize the miracle that means to experience life.


3. The nitrogen present in our DNA, the calcium in our teeth, the iron in our blood, the carbon in the apple tarts ... all were created inside stars that collided with each other. We are made of the material of the stars.

A revelation that, in the mouth of Carl Sagan, still sounds more exciting.

4. Science is not only compatible with spirituality, but it is a deep source of spirituality.

A famous quote by Carl Sagan that sounds like a paradox.

5. In my opinion, it is much better to understand the universe as it is to persist in deception, even though it is comfortable.

To know the truth even if it is uncomfortable, or to live in lies? Carl Sagan is clear about his response.

6. An extraordinary claim requires extraordinary evidence.

Before great scientific challenges, great means to be able to investigate thoroughly.


7. Imagination takes us to worlds where we never were.

A great scholar of creativity and the thinking mind, Sagan put a lot of emphasis on our ability to imagine new worlds.

8. We are like butterflies that fly for a day thinking that they will do it forever.

We must bear in mind that our time is limited. Brilliant poetic phrase by Carl Sagan.

9. Reading allows us to travel through time, touch with the tips of our fingers the wisdom of our ancestors.

A reflection that we could include in our collection of sentences extracted from books.

10. We can judge progress by the courage of the questions and the depth of the answers; for the audacity to find the truth rather than to rejoice in what makes us feel good.

A way to tell the world that science leads us to knowledge.

11. The universe is a fairly large site. If it's just us, it would seem like a real waste of space.

An ironic reflection that leaves the door open to the existence of life beyond Earth.

12. The military career with nuclear weapons is like two enemies face to face with drums of gasoline and fire.

The critical vision of the scientific popularizer towards the military movements of the United States.

13. I do not want to believe, I want to know.

Sagan's scientific skepticism is captured in this sentence.

14. The beauty of life does not refer to the atoms that make it up, but to the way these atoms come together.

Beauty is in the little things: as small as the atoms.

15. It is interesting to know that some dolphins have come to learn English (up to 50 words used in the correct context), and yet no human being has managed to learn 'dolphins'.

Mordacious as always, in this sentence puts into question the "superior" intelligence that we as human beings.

16. The universe does not seem neither hostile nor friendly, it is simply indifferent.

Sagan reflects on the appearance of the cosmos.

17. The absence of evidence does not mean proof of absence.

A paradox that brings us closer to its skepticism.

18. Science is a way of thinking, and not so much an aggregate of knowledge.

One of those philosophical phrases that invite us to take a reflective position before reality.

19. Extinction is the rule. Survival is the exception.

That's right, and that's how Charles Darwin explained it to us.

20. If something can be destroyed by the truth, it deserves to be destroyed.

Never accept a half truth as dogma.

twenty-one.In all our research, the only thing we have discovered is that only the company of others makes the vacuum bearable.

Only love comforts us in a universe full of dangers and randomness.

22. You must know the past to understand the present.

This phrase is a topic of historiography.

23. Books break the shackles of time, show that humans can do magic.

A way to cross generational and cultural barriers: literature.

24. Nature is always more subtle, more complex and more elegant than what we are capable of imagining.

And always find the perfect way to keep evolving.

25. Understanding is a form of ecstasy.

When we are able to understand a concept or a process, we feel exceptionally well.

26. Books are like seeds. They can remain asleep for centuries, and suddenly bloom on the most barren soil.

An excellent metaphor.

27. Atoms are, basically, empty space. Matter is composed, mainly, by nothingness.

Astrophysics always has this principle well present.

28. Crossing the cosmos, the stars look like other suns.

The size of the stars is a simple matter of perspective.

29. An organism that is at war with itself is condemned.

Another phrase that reflects the thesis of the Evolution of the species.

30. We live in a society that is extremely dependent on science and technology, in which almost no one has a minimal understanding of science and technology.

Another fantastic quote from Carl Sagan that shows us the paradox of modern life, in the purest Huxley style.


Man in his arrogance - A Great Speech By Carl Sagan (April 2024).


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