--- title: "Meaning & Key Takeaway of: There's no question that if we stay on…" description: "\"There's no question that if we stay on planet Earth and never leave, that eventually we'll be wiped out.\" — John M. Grunsfeld" image: "https://sms4smile.com/quotes/i/974/john-m-grunsfeld-8114_earth_there-s-no-question-that-if-we-stay-on-p_2904924.jpg" --- # There's no question that if we stay on planet Earth and… ![“There's no question that if we stay on planet Earth and never leave, that eventually we'll be wiped out.” quote by John M. Grunsfeld](https://sms4smile.com/quotes/i/974/john-m-grunsfeld-8114_earth_there-s-no-question-that-if-we-stay-on-p_2904924.jpg) [Download](https://sms4smile.com/quotes/i/974/john-m-grunsfeld-8114_earth_there-s-no-question-that-if-we-stay-on-p_2904924.jpg) [Open image](https://sms4smile.com/quotes/i/974/john-m-grunsfeld-8114_earth_there-s-no-question-that-if-we-stay-on-p_2904924.jpg) > “There's no question that if we stay on planet Earth and never leave, that eventually we'll be wiped out.” [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Staying confined to Earth ensures eventual extinction; exploration is essential for survival. **In simple terms:** Earth alone leads to doom. Key Takeaway Support space exploration for humanity’s future. Themes exploration survival future planning Mood urgent hopeful Type persuasive inspirational When to use this quote - space missions - policy advocacy - education outreach Key Concepts risk innovation long‑term thinking Questions to Reflect On - What are the risks of staying on Earth? - How can we justify space investment? A Different Perspective Exploration is costly and uncertain. ★ ★ ★ ★ ★ No ratings yet [Earth](https://sms4smile.com/quotes/about/earth/) [Planet](https://sms4smile.com/quotes/about/planet/) [Planet earth](https://sms4smile.com/quotes/about/planet-earth/) ## Related quotes > [As the body fades - which it will inevitably do as we stay here on the planet - it really behooves us to wake…](https://sms4smile.com/quotes/robert-gant/as-the-body-fades-which-it-will-inevitably-do-as-we-stay-here-on-the/) [Robert Gant](https://sms4smile.com/quotes/author/robert-gant/) > [Because of Hubble and other telescopes, we've now discovered that there are probably planets around every star, or virtually every star. There are solar…](https://sms4smile.com/quotes/john-m-grunsfeld/because-of-hubble-and-other-telescopes-we-ve-now-discovered-that/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [“BE NOT A CANCER ON THE EARTH - LEAVE ROOM FOR NATURE - LEAVE ROOM FOR NATURE -”](https://sms4smile.com/quotes/the-georgia-guidestones/be-not-a-cancer-on-the-earth-leave-room-for-nature-leave-room-for/) The Georgia Guidestones > [We survived on natural resources, so we should take care of the earth. When I leave home, I do things like switching off the…](https://sms4smile.com/quotes/alek-wek/we-survived-on-natural-resources-so-we-should-take-care-of-the-earth/) [Alek Wek](https://sms4smile.com/quotes/author/alek-wek/) > [It's in God's hands when we come on this earth and when we leave.](https://sms4smile.com/quotes/bappi-lahiri/it-s-in-god-s-hands-when-we-come-on-this-earth-and-when-we-leave/) [Bappi Lahiri](https://sms4smile.com/quotes/author/bappi-lahiri/) > [We all have an obligation as citizens of this earth to leave the world a healthier, cleaner, and better place for our children and…](https://sms4smile.com/quotes/blythe-danner/we-all-have-an-obligation-as-citizens-of-this-earth-to-leave-the/) [Blythe Danner](https://sms4smile.com/quotes/author/blythe-danner/) > [We do not realize what we have on Earth until we leave it.](https://sms4smile.com/quotes/jim-lovell/we-do-not-realize-what-we-have-on-earth-until-we-leave-it/) [Jim Lovell](https://sms4smile.com/quotes/author/jim-lovell/) > [Personally, I do not know whether humankind is alone in this vast universe. But I do know that we should cherish our existence on…](https://sms4smile.com/quotes/ban-ki-moon/personally-i-do-not-know-whether-humankind-is-alone-in-this-vast/) [Ban Ki-moon](https://sms4smile.com/quotes/author/ban-ki-moon/) > [“The winners of life's game always set and have goals in focus that they score to fulfill their purposes of existence and making the…](https://sms4smile.com/quotes/israelmore-ayivor/the-winners-of-life-s-game-always-set-and-have-goals-in-focus-that/) [Israelmore Ayivor](https://sms4smile.com/quotes/author/israelmore-ayivor/) > [Of all celestial bodies within reach or view, as far as we can see, out to the edge, the most wonderful and marvellous and…](https://sms4smile.com/quotes/lewis-thomas/of-all-celestial-bodies-within-reach-or-view-as-far-as-we-can-see-out/) [Lewis Thomas](https://sms4smile.com/quotes/author/lewis-thomas/) > [Instead of being a page-turner, 'Moby-Dick' is a repository of American history and culture and the essentials of Western literature. The book is so…](https://sms4smile.com/quotes/nathaniel-philbrick/instead-of-being-a-page-turner-moby-dick-is-a-repository-of-american/) [Nathaniel Philbrick](https://sms4smile.com/quotes/author/nathaniel-philbrick/) > [I'm in a complete state of panic before I begin something because I'm sure that it's going to be a complete disaster. I'm going…](https://sms4smile.com/quotes/maira-kalman/i-m-in-a-complete-state-of-panic-before-i-begin-something-because-i-m/) [Maira Kalman](https://sms4smile.com/quotes/author/maira-kalman/) > [The planet Earth, though not threatened with destruction by man-made global warming, is by no means indestructible. There are many unpredictable events within our…](https://sms4smile.com/quotes/paul-johnson/the-planet-earth-though-not-threatened-with-destruction-by-man-made/) [Paul Johnson](https://sms4smile.com/quotes/author/paul-johnson/) > [RVD is the most chilled man on planet Earth - if he was any more relaxed, he'd be asleep - and he is a…](https://sms4smile.com/quotes/drew-mcintyre/rvd-is-the-most-chilled-man-on-planet-earth-if-he-was-any-more/) [Drew McIntyre](https://sms4smile.com/quotes/author/drew-mcintyre/) > [Your body is your own planet Earth.](https://sms4smile.com/quotes/caroline-myss/your-body-is-your-own-planet-earth/) [Caroline Myss](https://sms4smile.com/quotes/author/caroline-myss/) ## More by John M. Grunsfeld > [I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life.](https://sms4smile.com/quotes/john-m-grunsfeld/i-m-absolutely-compelled-for-nasa-to-send-international-astronauts-to/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [Sciences are being unified by the search for life in the universe.](https://sms4smile.com/quotes/john-m-grunsfeld/sciences-are-being-unified-by-the-search-for-life-in-the-universe/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We…](https://sms4smile.com/quotes/john-m-grunsfeld/the-most-striking-thing-to-me-about-human-space-flight-and-my-own/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [At the age of six, I declared that I wanted to be an astronaut. My mother thought that was just fine, as it would…](https://sms4smile.com/quotes/john-m-grunsfeld/at-the-age-of-six-i-declared-that-i-wanted-to-be-an-astronaut-my/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [I can't imagine anywhere I'd rather be than outside the space shuttle in my space suit next to the Hubble Space Telescope.](https://sms4smile.com/quotes/john-m-grunsfeld/i-can-t-imagine-anywhere-i-d-rather-be-than-outside-the-space-shuttle/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [Going to Mars would make NASA great again.](https://sms4smile.com/quotes/john-m-grunsfeld/going-to-mars-would-make-nasa-great-again/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [Hubble uniquely has been able to look in the atmosphere of a planet orbiting a nearby star and figure out what's in that atmosphere.](https://sms4smile.com/quotes/john-m-grunsfeld/hubble-uniquely-has-been-able-to-look-in-the-atmosphere-of-a-planet/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [I got lucky and got assigned to Hubble.](https://sms4smile.com/quotes/john-m-grunsfeld/i-got-lucky-and-got-assigned-to-hubble/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [I see no difference between scientific exploration and human exploration.](https://sms4smile.com/quotes/john-m-grunsfeld/i-see-no-difference-between-scientific-exploration-and-human/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [Being an astronaut, there are not a lot of things that have really shocked me in my life.](https://sms4smile.com/quotes/john-m-grunsfeld/being-an-astronaut-there-are-not-a-lot-of-things-that-have-really/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [I kind of feel like I found my cause in life servicing the Hubble Space Telescope.](https://sms4smile.com/quotes/john-m-grunsfeld/i-kind-of-feel-like-i-found-my-cause-in-life-servicing-the-hubble/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [I'm an incurable romantic. But I'm not an adrenaline junkie.](https://sms4smile.com/quotes/john-m-grunsfeld/i-m-an-incurable-romantic-but-i-m-not-an-adrenaline-junkie/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [One of the things that happens in space is that there is a fluid shift. You get a lot of extra pressure, and it…](https://sms4smile.com/quotes/john-m-grunsfeld/one-of-the-things-that-happens-in-space-is-that-there-is-a-fluid/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [The things I like to do involve a lot of mental focus, a combination of physical and mental challenge. That is what mountain climbing…](https://sms4smile.com/quotes/john-m-grunsfeld/the-things-i-like-to-do-involve-a-lot-of-mental-focus-a-combination/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) > [Once in a while, the universe lets you be free alone and in peace.](https://sms4smile.com/quotes/john-m-grunsfeld/once-in-a-while-the-universe-lets-you-be-free-alone-and-in-peace/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) [Explore all 84 John M. Grunsfeld quotes ](https://sms4smile.com/quotes/author/john-m-grunsfeld/) ## More Earth quotes > [There is something more important than any ultimate weapon. That is the ultimate position-the position of total control over Earth that lies somewhere out…](https://sms4smile.com/quotes/lyndon-b-johnson/there-is-something-more-important-than-any-ultimate-weapon-that-is/) [Lyndon B. Johnson](https://sms4smile.com/quotes/author/lyndon-b-johnson/) > [Well, The Day the Earth Caught Fire was a story... I don't if anybody knows what it is but it was about... in the…](https://sms4smile.com/quotes/val-guest/well-the-day-the-earth-caught-fire-was-a-story-i-don-t-if-anybody/) [Val Guest](https://sms4smile.com/quotes/author/val-guest/) > [“The global population of Earth are involved in the following corporate government experiments: The long term effects of - 1. Nuclear bomb fallout radiation.…](https://sms4smile.com/quotes/steven-magee/the-global-population-of-earth-are-involved-in-the-following/) [Steven Magee](https://sms4smile.com/quotes/author/steven-magee/) > [When you're scared - and I mean really scared, not just hearing a noise in the night, or standing toe to toe with someone…](https://sms4smile.com/quotes/alexander-gordon-smith/when-you-re-scared-and-i-mean-really-scared-not-just-hearing-a-noise/) [Alexander Gordon Smith](https://sms4smile.com/quotes/author/alexander-gordon-smith/) > [Mythology is something that always has opportunities to explore. 'It' has been on Earth for millions of years. He's been in contact with humans…](https://sms4smile.com/quotes/andy-muschietti/mythology-is-something-that-always-has-opportunities-to-explore-it/) [Andy Muschietti](https://sms4smile.com/quotes/author/andy-muschietti/) > [Give me strength to walk the soft earth, a relative to all that is.](https://sms4smile.com/quotes/black-elk/give-me-strength-to-walk-the-soft-earth-a-relative-to-all-that-is/) [Black Elk](https://sms4smile.com/quotes/author/black-elk/) > [I have lifted my plane . . . for perhaps a thousand flights and I have never felt her wheels glide from the Earth…](https://sms4smile.com/quotes/beryl-markham/i-have-lifted-my-plane-for-perhaps-a-thousand-flights-and-i-have/) [Beryl Markham](https://sms4smile.com/quotes/author/beryl-markham/) > [Set NOT your hearts on the flowers of this world. They shall fade and die. Prize the Rose of Sharon and the Lily of…](https://sms4smile.com/quotes/anonymous/set-not-your-hearts-on-the-flowers-of-this-world-they-shall-fade-and/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [Then all this earth shines like one house.](https://sms4smile.com/quotes/ramana-maharshi/then-all-this-earth-shines-like-one-house/) [Ramana Maharshi](https://sms4smile.com/quotes/author/ramana-maharshi/) > [When I get a chance to play golf or go on a boat with good people, take the boat out and put some lobsters…](https://sms4smile.com/quotes/bernie-mac/when-i-get-a-chance-to-play-golf-or-go-on-a-boat-with-good-people/) [Bernie Mac](https://sms4smile.com/quotes/author/bernie-mac/) > [When man of slender visits you / Nothing on earth that one can do / In well he’ll hide, or watery hole / And…](https://sms4smile.com/quotes/jack-goldstein/when-man-of-slender-visits-you-nothing-on-earth-that-one-can-do-in/) [Jack Goldstein](https://sms4smile.com/quotes/author/jack-goldstein/) > [Cities are 2% of the earth's crust, but they are 50% of the world's population.](https://sms4smile.com/quotes/carlo-ratti/cities-are-2-of-the-earth-s-crust-but-they-are-50-of-the-world-s/) [Carlo Ratti](https://sms4smile.com/quotes/author/carlo-ratti/) > [This, at last, was where things were as they ought to be. Everything was in its place -- the tree, the earth underneath, the…](https://sms4smile.com/quotes/jean-liedloff/this-at-last-was-where-things-were-as-they-ought-to-be-everything-was/) [Jean Liedloff](https://sms4smile.com/quotes/author/jean-liedloff/) > [Bring into captivity every thought to the obedience of Christ. 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