Outer Space Quotes, Sayings
Use these space quotes and sayings in the classroom, as captions for Instagram, or even in a birthday card to a fellow space junkie!
Out of this world space quotes
Let’s start with ten of our favorite space sayings.
Top 10 best space quotes
1.) To confine our attention to terrestrial matters would be to limit the human spirit.
Stephen Hawking
2.) Somewhere, something incredible is waiting to be known.
Carl Sagan
3.) If offered a seat on a rocket ship, don’t ask what seat. Just get on.
Christa McAuliffe, Teacher/Astronaut
4.) Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.
Neil deGrasse Tyson
5.) The universe seems neither benign nor hostile, merely indifferent.
Carl Sagan
6.) There can be no centre in infinity.
Lucretius, On the Nature of the Universe
7.) Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.
Albert Einstein
8.) I’m sure the universe is full of intelligent life. It’s just been too intelligent to come here.
Arthur C. Clarke, 2001: A Space Odyssey
9.) Our only chance of long-term survival is not to remain inward-looking on planet Earth, but to spread out into space.
Stephen Hawking
10.) How dare you open a spaceman’s helmet on an uncharted planet? My eyeballs could’ve been sucked from their sockets!
Disney’s Toy Story
Funny space quotes
It’s a fixer-upper of a planet but we could make it work.
Elon Musk, on inhabiting Mars
Space isn’t remote at all. It’s only an hour’s drive away if your car could go straight upwards.
Fred Hoyle
It is a very sobering feeling to be up in space and realize that one’s safety factor was determined by the lowest bidder on a government contract.
Alan Shepard
What good is the Moon? You can’t buy it or sell it.
Ivan F. Boesky, Wall Street broker
I see nothing in space as promising as the view from a Ferris wheel.
E.B. White
There are so many problems to solve on this planet first before we begin to trash other worlds.
E. A. Bucchianeri
NASA’s next urgent mission should be to send good poets into space so they can describe what it’s really like.
Shannon Hale
Our two greatest problems are gravity and paperwork. We can lick gravity, but sometimes the paperwork is overwhelming.
Wernher von Braun, Rocket Engineer
The only thing that scares me more than space aliens is the idea that there aren’t any space aliens. We can’t be the best that creation has to offer. I pray we’re not all there is. If so, we’re in big trouble.
Ellen DeGeneres
The dinosaurs became extinct because they didn’t have a space program. And if we become extinct because we don’t have a space program, it’ll serve us right!
Larry Niven
Short space sayings
I see Earth! It is so beautiful.
Yuri Gagarin
I don’t know what you could say about a day in which you have seen four beautiful sunsets.
John Glenn
The function of science fiction is not always to predict the future, but sometimes to prevent it.
Frank Herbert
There are no passengers on spaceship earth. We are all crew.
Marshall McLuhan
I must admit, maybe I am a piece of history after all.
Alan Shepard
The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.
Konstantin Tsiolkovsky, 1896
Through you, we feel as giants, once again.
President Ronald Reagan, to the crew of the first shuttle mission
By denying scientific principles, one may maintain any paradox.
Galileo Galilei
Astronauts are inherently insane. And really noble.
Andy Weir
God has no intention of setting a limit to the efforts of man to conquer space.
Pope Pius XII
Gravity hurts.
Viktor Alexandrov
Space or science fiction has become a dialect for our time.
Doris Lessing
Outer space quotes
A sense of the unknown has always lured mankind and the greatest of the unknowns of today is outer space. The terrors, the joys and the sense of accomplishment are epitomized in the space program.
William Shatner
Our inner space and our peace of mind are affected by our outer space.
Thích Nhất Hạnh
You need a poetic touch from the outer space? Then you need the moonlight!
Mehmet Murat ildan
Like we’re here, and at the same time, in outer space. Which, of course, we are. We’re all untethered, all flying around in the dark, the same as Mars and Venus, the same as the stars.
Maria Dahvana Headley
Space exploration
Only via continuing to probe every nook and cranny of the universe that is accessible to us will we truly build a useful appreciation of our own place in the cosmos.
Lawrence M. Krauss
Earth is the best planet in our solar system. We go to space to save Earth.
Jeff Bezos
The exploration of space will go ahead, whether we join in it or not, and it is one of the great adventures of all time, and no nation which expects to be the leader of other nations can expect to stay behind in the race for space.
John F. Kennedy
Mankind is drawn to the heavens for the same reason we were once drawn into unknown lands and across the open sea. We choose to explore space because doing so improves our lives, and lifts our national spirit. So let us continue the journey.
George W. Bush
Discovery
Discover the force of the skies O Men: once recognised it can be put to use.
Johannes Kepler
Forget scientists. The next space launch, we should send up painters, poets, and musicians. I’d be more interested in what they discover than anything that takes place in a test tube.
James Rozoff
What everyone in the astronaut corps shares in common is not gender or ethnic background, but motivation, perseverance, and desire — the desire to participate in a voyage of discovery.
Ellen Ochoa
We are at a point in history where a proper attention to space, and especially near space, may be absolutely crucial in bringing the world together.
Margaret Mead
Colonization
In science fiction, we dream. In order to colonize in space, to rebuild our cities, which are so far out of whack, to tackle any number of problems, we must imagine the future, including the new technologies that are required.
Ray Bradbury
Human exploration and colonization of Mars will keep us busy for hundreds, even thousands, of years. During that time, there will be advances in nanotechnology, space sailing, robotics, biomolecular engineering, and artificial intelligence. These advances are occurring even now, affecting our outlook about what it means to be human and engage in human activity. Those technologies will not merely allow us to stay home on Earth and Mars, but our minds will extend our presence throughout the universe so that we will not need or want to extend our bodies there — even if we could, which I think is doubtful.
Louis Friedman
Mankind will not remain on Earth forever, but in its quest for light and space will at first timidly penetrate beyond the confines of the atmosphere, and later will conquer for itself all the space near the Sun.
Konstantin E. Tsiolkovsky, father of cosmonautics
VIDEO: Inspirational space quotes
Time and space quotes
By looking far out into space we are also looking far back into time, back toward the horizon of the universe, back toward the epoch of the Big Bang.
Carl Sagan
O Space and Time and stars at strife,
How dreadful your infinity!
Shrined by your termless trinity,
How strange, how terrible, is life!
George Sterling
The three rules of the Librarians of Time and Space are: 1) Silence; 2) Books must be returned no later than the last date shown; and 3) Do not interfere with the nature of causality.
Terry Pratchett
Space time
When forced to summarize the general theory of relativity in one sentence: Time and space and gravitation have no separate existence from matter.
Albert Einstein
We both wondered whether these contradictions that one can’t avoid if one begins to think of time and space may not really be proofs that the whole of life is a dream, and the moon and stars bits of nightmare.
Arthur Machen
I am, a stride at a time. A very short space of time through very short time of space.
James Joyce, Ulysses
Universe space quotes
The Universe is under no obligation to make sense to you.
Neil deGrasse Tyson
One of the basic rules of the universe is that nothing is perfect. Perfection simply doesn’t exist… Without imperfection, neither you nor I would exist.
Stephen Hawking
For every one billion particles of antimatter, there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained – and that’s our present universe.
Albert Einstein
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
Carl Sagan
In my studies of astronomy and philosophy I hold this opinion about the universe, that the Sun remains fixed in the centre of the circle of heavenly bodies, without changing its place; and the Earth, turning upon itself, moves round the Sun.
Galileo Galilei
The universe is not required to be in perfect harmony with human ambition.
Carl Sagan
Vast space quotes
Earth is a small town with many neighborhoods in a very big universe.
Ron Garan
There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world.
Carl Sagan
Remember to look up at the stars and not down at your feet. Try to make sense of what you see and wonder about what makes the Universe exist. Be curious. And however difficult life may seem, there is always something you can do and succeed at. It matters that you don’t just give up.
Stephen Hawking
The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
Carl Sagan
We must never confuse space colonization with the conquest of space. The world beyond ours is unimaginably vast; it will be what it has always been. When humankind begins to make its home in space, it is we who will change.
Cameron M. Smith
Space quotes about life
Life, forever dying to be born afresh, forever young and eager, will presently stand upon this Earth as upon a footstool, and stretch out its realm amidst the stars.
H. G. Wells
I don’t think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But I’m an optimist. We will reach out to the stars.
Stephen Hawking
I promise you that the same stuff galaxies are made of, you are. The same energy that swings planets around stars makes electrons dance in your heart. It is in you, outside you, you are it. It is beautiful. Trust in this. And your life will be grand.
Kamal Ravikant
I’m convinced that before the year 2000 is over, the first child will have been born on the moon.
Wernher Von Braun
What we wanted was to see planets taste life in a way they never had.
Mandy Ashcraft
This is a day we have managed to avoid for a quarter of a century. We’ve talked about it before and speculated about it, and it finally has occurred. We hoped we could push this day back forever.
Astronaut John Glenn, on the Challenger accident
As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. Once we become a multi-planet species, our chances to live long and prosper will take a huge leap skyward.
David Grinspoon
And in that moment, I was hit with the realization that this delicate layer of atmosphere is all that protects every living thing on Earth from perishing in the harshness of space.
Ron Garan
Famous space quotes
That’s one small step for a man, one giant leap for mankind.
Neil Armstrong
Okay, Houston, we’ve had a problem here.
John “Jack” Swigert, Astronaut
When I first looked back at the Earth, standing on the moon, I cried.
Alan Shepard
Now is the time…for this nation to take a clearly leading role in space achievement, which in many ways may hold the key to our future on Earth.
John F. Kennedy
Here men from the planet Earth first set foot upon the Moon July 1969, A.D.
WE CAME IN PEACE FOR ALL MANKIND.
Apollo 11 plaque on the moon
Because of what you have done the heavens have become part of man’s world… For one priceless moment in the whole history of man all of the people on this Earth are truly one.
President Richard M. Nixon, on first lunar landing
I looked and looked but I didn’t see God.
Yuri Gagarin, on being the first human in space
It is the policy of the United States that activities in space should be devoted to peaceful purposes for the benefit of all mankind.
Space Act of 1958
Elon Musk – SpaceX
- Space is easy, orbit is hard.
- When space travel becomes as common as air travel, the future of civilization will be assured.
- You need to live in a dome initially, but over time you could terraform Mars to look like Earth and eventually walk around outside without anything on… So it’s a fixer-upper of a planet.
Carl Sagan space quotes
- In all our searching, the only thing we’ve found that makes the emptiness bearable is each other.
- Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
- Even today the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling stars. When it happens to me after all these years it still takes my breath away.
- National boundaries are not evident when we view the Earth from space. Fanatical ethnic or religious or national chauvinisms are a little difficult to maintain when we see our planet as a fragile blue crescent fading to become an inconspicuous point of light against the bastion and citadel of the stars.
Neil deGrasse Tyson
- I look up at the night sky, and I know that, yes, we are part of this Universe, we are in this Universe, but perhaps more important than both of those facts is that the Universe is in us. When I reflect on that fact, I look up—many people feel small, because they’re small and the Universe is big, but I feel big, because my atoms came from those stars.
- Cosmology does, I think, affect the way that we perceive humanity’s role in nature. One thing we’ve learnt from astronomy is that the future lying ahead is more prolonged than the past. Even our sun is less than halfway through its life.
- Most of what Einstein said and did has no direct impact on what anybody reads in the Bible. Special relativity, his work in quantum mechanics, nobody even knows or cares. Where Einstein really affects the Bible is the fact that general relativity is the organizing principle for the Big Bang.
Stephen Hawking
- My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.
- It surprises me how disinterested we are today about things like physics, space, the universe and philosophy of our existence, our purpose, our final destination. It’s a crazy world out there. Be curious.
- We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
From Hitchhiker’s Guide to the Galaxy by Douglas Adams
- Looking up into the night sky is looking into infinity – distance is incomprehensible and therefore meaningless.
- Space is big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.
- Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded yellow sun. Orbiting this at a distance of roughly ninety-two million miles is an utterly insignificant little blue green planet whose ape-descended life forms are so amazingly primitive that they still think digital watches are a pretty neat idea.
Space quotes from movies & TV
Lost in Space
- There’s a lot of space out there to get lost in.
Prof. John Robinson
Doctor Who
- In 900 years of time and space, I’ve never met anyone who wasn’t important.
- Something pretty bad’s happening nearby in the space-time continuum. The TARDIS is a terrible rubbernecker — like a little old lady, she can’t resist slowing down for a gawp at a car crash in the next lane. Bless.
- You are a time-space machine. You’re a vehicle! I’ve never asked you to cheer me up with hologrammatic antlers!
2001: A Space Odyssey by Arthur C. Clarke
- In this single galaxy of ours there are eighty-seven thousand million suns. […] In challenging it, you would be like ants attempting to label and classify all the grains of sand in all the deserts of the world. […] It is a bitter thought, but you must face it. The planets you may one day possess. But the stars are not for man.
- We cannot predict the new forces, powers, and discoveries that will be disclosed to us when we reach the other planets and set up new laboratories in space. They are as much beyond our vision today as fire or electricity would be beyond the imagination of a fish.
Inspirational space quotes
Space is an inspirational concept that allows you to dream big.
Peter Diamandis
Why our space program? Why, indeed, did we trouble to look past the next mountain? Our prime obligation to ourselves is to make the unknown known. We are on a journey to keep an appointment with whatever we are.
Gene Roddenberry
Man’s mind and spirit grow with the space in which they are allowed to operate.
Krafft A. Ehricke, rocket pioneer
First I believe that this Nation should commit itself to achieving the goal, before this decade is out, of landing a man on the Moon…
John F. Kennedy, 1961
Those who came before us made certain that this country rode the first waves of the industrial revolution, the first waves of modern invention and the first wave of nuclear power. And this generation does not intend to founder in the backwash of the coming age of space. We mean to be part of it—we mean to lead it.
John F. Kennedy, at the onset of the lunar landing program
To set foot on the soil of the asteroids, to lift by hand a rock from the Moon, to observe Mars from a distance of several tens of kilometers, to land on its satellite or even on its surface, what can be more fantastic? From the moment of using rocket devices a new great era will begin in astronomy: the epoch of the more intensive study of the firmament.
Konstantin E. Tsiolkovsky, 1896
More inspiring space quotes
We choose to go to the moon. We choose to go to the moon in this decade… not because they are easy but because they are hard;
John F. Kennedy, 1962
If I could get one message to you it would be this: the future of this country and the welfare of the free world depends upon our success in space. There is no room in this country for any but a fully cooperative, urgently motivated all-out effort toward space leadership. No one person, no one company, no one government agency, has a monopoly on the competence, the missions, or the requirements for the space program.
Lyndon Baines Johnson
Many years ago the great British explorer George Mallory… was asked why did he want to climb [Mount Everest]. He said “Because it is there.” Well, space is there, and we’re going to climb it, and the moon and the planets are there, and new hopes for knowledge and peace are there.
John F. Kennedy
Don’t tell me that man doesn’t belong out there. Man belongs wherever he wants to go—and he’ll do plenty well when he gets there.
Wernher von Braun, Rocket Engineer
Deep quotes that make you think
The total amount of energy from outside the solar system ever received by all the radio telescopes on the planet Earth is less than the energy of a single snowflake striking the ground.
Carl Sagan
There were only the great diamonds and sapphires and emerald mists and velvet inks of space, with God’s voice mingling among the crystal fires.
Ray Bradbury
The history of astronomy is a history of receding horizons.
Edwin Powell Hubble
The moon was out of orbit. The stars were awry. But everything else was exactly as it should have been.
Roman Payne
And then, the Earth being small, mankind will migrate into space, and will cross the airless Saharas which separate planet from planet and sun from sun. The Earth will become a Holy Land which will be visited by pilgrims from all the quarters of the Universe. Finally, men will master the forces of Nature; they will become themselves architects of systems, manufacturers of worlds.
Winwood Reade, 1872
Space and ocean quotes
The old sailors who traveled Earth’s seas were said to have loved the ocean. The great captains said they were married to the sea or called the sea their mistress. Modern sailors held no such fantasies about outer space. Space did not love or hate, it simply killed anything it touched.
Steven L. Kent
At night, when the sky is full of stars and the sea is still you get the wonderful sensation that you are floating in space.
Natalie Wood
I do not know what I seem to the world, but to myself I appear to have been like a boy playing upon the seashore and diverting myself by now and then finding a smoother pebble or prettier shell than ordinary, while the great ocean of truth lay before me all undiscovered.
Sir Isaac Newton, 1727
Space quotes about stars
Across the sea of space, the stars are other suns.
Carl Sagan
The stars are like the trees in the forest, alive and breathing. And they’re watching me.
Haruki Murakami
The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.
Carl Sagan
The stars up there at night are closer than you think.
Doug Dillon
Of course there are worlds. Millions of them! Every star you see has worlds, and most of those you don’t see.
Isaac Asimov
Stars also symbolize the cycle of life, solitude and gravity. They glow in the dark energy that’s the majority of space, and remind us that even in the pitch black, there’s always something that can shine.
L.J. Shen
How instructive is a star!
It can teach us from afar just how small each other are.
Piet Hein
The stars will never be won by little minds; we must be big as space itself.
Robert A. Heinlein
When people stargazing, they stare at stars,
and many other things which they’ve already
presumed commonly and universally as stars.
Toba Beta
I saw the world from the stars’ point of view, and it looked unbearably lonely.
Shaun David Hutchinson
Stars, everywhere. So many stars that I could not for the life me understand how the sky could contain them all yet be so black.
Peter Watts
I will never, never be the same.
I have seen stars.
Real stars.
Beth Revis
This means that most of the lunar surface material has a consistency that is finer than granulated sugar.
Maggie Aderin-Pocock
Space quotes by astronauts
Neil Armstrong
- I think we’re going to the moon because it’s in the nature of the human being to face challenges. It’s by the nature of his deep inner soul. We’re required to do these things just as salmon swim upstream.
- Mystery creates wonder and wonder is the basis of man’s desire to understand.
- It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth; I didn’t feel like a giant—I felt very, very small.
- I thought the attractions of being an astronaut were actually, not so much the moon, but flying in a completely new medium.
Buzz Aldrin
- I know the sky is not the limit because there are footprints on the moon — and I made some of them!
- Mars has been flown by, orbited, smacked into, radar examined, and rocketed onto, as well as bounced upon, rolled over, shoveled, drilled into, baked and even blasted. Still to come: Mars being stepped on.
More NASA astronaut quotes about space
Anyone who sits on top of the largest hydrogen-oxygen fueled system in the world; knowing they’re going to light the bottom—and doesn’t get a little worried—does not fully understand the situation.
John Young
Let’s light this fire one more time, Mike, and witness this great nation at its best.
Christopher Ferguson
Every generation has the obligation to free men’s minds for a look at new worlds… to look out from a higher plateau than the last generation.
Ellison S. Onizuka
We are limited only by our imagination and our will to act.
Ron Garan
The Earth reminded us of a Christmas tree ornament hanging in the blackness of space. As we got farther and farther away it diminished in size. Finally, it shrank to the size of a marble, the most beautiful marble you can imagine. That beautiful, warm, living object looked so fragile, so delicate, that if you touched it with a finger it would crumble and fall apart.
James Irwin
Women astronauts
The thing I’ll remember most about the flight is that it was fun. In fact, I’m sure it was the most fun that I’ll ever have in my life.
Sally K. Ride
Space is for everybody. It’s not just for a few people in science or math, or for a select group of astronauts. That’s our new frontier out there, and it’s everybody’s business to know about space.
Christa McAuliffe
The stars don’t look bigger, but they do look brighter.
Sally Ride
Never limit yourself because of others’ limited imagination; never limit others because of your own limited imagination.
Mae Jemison
I cannot join the space program and restart my life as an astronaut, but this opportunity to connect my abilities as an educator with my interests in history and space is a unique opportunity to fulfill my early fantasies. I watched the space program being born, and I would like to participate.
Christa McAuliffe
Of course risk is part of spaceflight. We accept some of that to achieve greater goals in exploration and find out more about ourselves and the universe.
Lisa Nowak
Check out these inspiring girl power quotes
More sayings from astronauts
To become an astronaut is not a question of being the best at something or things coming easy to you, but it’s being a person that can work with others and not give up. And, for me, that was part of it too.
Michael J. Massimino
I find it curious that I never heard any astronaut say that he wanted to go to the Moon so he would be able to look back and see the Earth. We all wanted to see what the Moon looked like close up. Yet, for most of us, the most memorable sight was not of the Moon but of our beautiful blue and white home, moving majestically around the sun, all alone and infinite black space.
Alan Bean
Suddenly, from behind the rim of the moon, in long, slow-motion moments of immense majesty, there emerges a sparkling blue and white jewel, a light, delicate sky-blue sphere laced with slowly swirling veils of white, rising gradually like a small pearl in a thick sea of black mystery. It takes more than a moment to fully realize this is Earth… home.
Edgar Mitchell
You develop an instant global consciousness, a people orientation, an intense dissatisfaction with the state of the world, and a compulsion to do something about it. From out there on the moon, international politics look so petty. You want to grab a politician by the scruff of the neck and drag him a quarter of a million miles out and say, ‘Look at that, you son of a bitch.
Edgar Mitchell
Astronauts and cosmonauts
To some this may look like a sunset. But it’s a new dawn.
Chris Hadfield, Canadian Astronaut
The Earth was small, light blue, and so touchingly alone, our home that must be defended like a holy relic. The Earth was absolutely round. I believe I never knew what the word round meant until I saw Earth from space.
Alexei Leonov, Soviet and Russian Cosmonaut
When I orbited the Earth in a spaceship, I saw for the first time how beautiful our planet is. Mankind, let us preserve and increase this beauty, and not destroy it!
Yuri Gagarin, Russian Cosmonaut
To be the first to enter the cosmos, to engage, single-handed, in an unprecedented duel with nature—could one dream of anything more?
Yuri Gagarin
Space quotes about technology
Heavier-than-air flying machines are impossible.
Lord Kelvin, 1892
The all but impossible glory of having walked on the moon, of proving our mind power and our brilliant technology, this cannot ever be dimmed… We have hurled ourselves closer to the Gods.
Emil Petaja
It [the rocket] will free man from his remaining chains, the chains of gravity which still tie him to this planet. It will open to him the gates of heaven.
Wernher von Braun, Rocket Engineer
Let’s face it, space is a risky business. I always considered every launch a barely controlled explosion.
Aaron Cohen, NASA
The only weapon we have to oppose the bad effects of technology is technology itself. There is no other.
C. P. Snow
Science-fiction yesterday, fact today—obsolete tomorrow.
Otto O. Binder, Space Word Magazine
It may be said that the development of science in the field of space flight and related research will be of great significance for the progress of human culture.
Professor Leonid Sedor, U.S.S.R.
Space travel quotes
All civilizations become either spacefaring or extinct.
Carl Sagan
Man is an artifact designed for space travel. He is not designed to remain in his present biologic state any more than a tadpole is designed to remain a tadpole.
William Burroughs
Space travel is life-enhancing, and anything that’s life-enhancing is worth doing. It makes you want to live forever.
Ray Bradbury
I believe that space travel will one day become as common as airline travel is today.
Buzz Aldrin
In the past, it was only in science fiction novels that you could read about ordinary people being able to go to space… But you laid the foundation for space tourism.
Nursultan Nazarbayev
More space travel sayings
The vast distances that separate the stars are providential. Beings and worlds are quarantined from one another. The quarantine is lifted only for those with sufficient self-knowledge and judgment to have safely traveled from star to star.
Carl Sagan
The greatest gain from space travel consists in the extension of our knowledge. In a hundred years this newly won knowledge will pay huge and unexpected dividends.
Professor Wernher von Braun
We’ve got millions and millions of people who want to go into space, who are willing to pay. When you figure in the payload potential of customers, everything changes.
Buzz Aldrin
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By Greg Johnson | Published 6/11/2021
