--- title: "Meaning & Key Takeaway of: If this is the only planet on which not…" description: "\"If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.\" — Seth Shostak" image: "https://sms4smile.com/quotes/i/24e/seth-shostak-2047_intelligent_if-this-is-the-only-planet-on-which-not_2276591.png" --- # If this is the only planet on which not only life, but… ![“If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.” quote by Seth Shostak](https://sms4smile.com/quotes/i/24e/seth-shostak-2047_intelligent_if-this-is-the-only-planet-on-which-not_2276591.png) [Download](https://sms4smile.com/quotes/i/24e/seth-shostak-2047_intelligent_if-this-is-the-only-planet-on-which-not_2276591.png) [Open image](https://sms4smile.com/quotes/i/24e/seth-shostak-2047_intelligent_if-this-is-the-only-planet-on-which-not_2276591.png) > “If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.” [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. If Earth is the sole cradle of intelligent life, it would be an extraordinary rarity, prompting profound reflection on our uniqueness. **In simple terms:** Being the only intelligent life would be rare. Key Takeaway Consider humanity’s responsibility in the cosmos. Themes uniqueness existence cosmic perspective rarity responsibility Mood thoughtful inquisitive reflective Type explanatory philosophical scientific When to use this quote - discussing extraterrestrial life - evaluating planetary habitability - philosophical implications Key Concepts astrobiology anthropic principle probability theory Questions to Reflect On - What does being unique mean for humanity? - How should we act if we’re alone? A Different Perspective May overlook unknown life elsewhere. ★ ★ ★ ★ ★ No ratings yet [Intelligent life](https://sms4smile.com/quotes/about/intelligent-life/) [Life](https://sms4smile.com/quotes/about/life/) [Planet](https://sms4smile.com/quotes/about/planet/) [Space](https://sms4smile.com/quotes/about/space/) ## Related quotes > [“There is an enormous difference between life and intelligent life.”](https://sms4smile.com/quotes/marcelo-gleiser/there-is-an-enormous-difference-between-life-and-intelligent-life/) [Marcelo Gleiser](https://sms4smile.com/quotes/author/marcelo-gleiser/) > [If our solar system is not unusual, then there are so many planets in the universe that, for example, they outnumber the sum of…](https://sms4smile.com/quotes/neil-degrasse-tyson/if-our-solar-system-is-not-unusual-then-there-are-so-many-planets-in/) [Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/) > [The bottom line is, like, one in five stars has at least one planet where life might spring up. That's a fantastically large percentage.…](https://sms4smile.com/quotes/seth-shostak/the-bottom-line-is-like-one-in-five-stars-has-at-least-one-planet/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [“If the rocky ejecta from an impact hails from a planet with life, then microscopic fauna could have stowed away in the rocks’ nooks…](https://sms4smile.com/quotes/neil-degrasse-tyson/if-the-rocky-ejecta-from-an-impact-hails-from-a-planet-with-life-then/) [Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/) > [I don't think we are the only planet that has life.](https://sms4smile.com/quotes/sandra-bullock/i-don-t-think-we-are-the-only-planet-that-has-life/) [Sandra Bullock](https://sms4smile.com/quotes/author/sandra-bullock/) > [“Planet Earth. Our home. Our world. What makes Earth so special? We are the only known planet to have life!”](https://sms4smile.com/quotes/alexander-g-michaels/planet-earth-our-home-our-world-what-makes-earth-so-special-we-are/) Alexander G. Michaels > [The ocean is our planet's life support system, yet in my travels and at home, I've seen its degradation firsthand.](https://sms4smile.com/quotes/greg-macgillivray/the-ocean-is-our-planet-s-life-support-system-yet-in-my-travels-and/) [Greg MacGillivray](https://sms4smile.com/quotes/author/greg-macgillivray/) > [It drives me crazy to see so much of this planet's life so casually endangered. 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As simple as that.”](https://sms4smile.com/quotes/sahara-sanders/the-core-of-any-type-of-life-is-the-intelligent-energy-isn-t-it-as/) [Sahara Sanders](https://sms4smile.com/quotes/author/sahara-sanders/) > [I believe life is an intelligent thing: that things aren't random.](https://sms4smile.com/quotes/steve-jobs/i-believe-life-is-an-intelligent-thing-that-things-aren-t-random/) [Steve Jobs](https://sms4smile.com/quotes/author/steve-jobs/) > [“So what is life? It’s intelligent energy combined in symbiosis with the material world. Every living being is the embodiment of a tiny part…](https://sms4smile.com/quotes/sahara-sanders/so-what-is-life-it-s-intelligent-energy-combined-in-symbiosis-with-2/) [Sahara Sanders](https://sms4smile.com/quotes/author/sahara-sanders/) > [“So what is life? It's intelligent energy combined in symbiosis with the material world.”](https://sms4smile.com/quotes/sahara-sanders/so-what-is-life-it-s-intelligent-energy-combined-in-symbiosis-with/) [Sahara Sanders](https://sms4smile.com/quotes/author/sahara-sanders/) > [“The journey of a thousands suns begins today. Some may question whether the journey is worth the sacrifice and danger. To them I say…](https://sms4smile.com/quotes/david-marusek/the-journey-of-a-thousands-suns-begins-today-some-may-question/) [David Marusek](https://sms4smile.com/quotes/author/david-marusek/) > [“Life is intelligent energy combined in symbiosis with the material world.”](https://sms4smile.com/quotes/sahara-sanders/life-is-intelligent-energy-combined-in-symbiosis-with-the-material/) [Sahara Sanders](https://sms4smile.com/quotes/author/sahara-sanders/) ## More by Seth Shostak > [Studying Sol's interior by looking for analogous patterns on its incandescent face is known as helioseismology, an active - if largely unpronounceable - research…](https://sms4smile.com/quotes/seth-shostak/studying-sol-s-interior-by-looking-for-analogous-patterns-on-its/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [Some pundits have proposed that the aliens have come here to breed with us. Apparently, too much bike riding or something similar has rendered…](https://sms4smile.com/quotes/seth-shostak/some-pundits-have-proposed-that-the-aliens-have-come-here-to-breed/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [As far as I can tell, the only unambiguous consequence of the claimed invasion of Earth by beings from another star system has been…](https://sms4smile.com/quotes/seth-shostak/as-far-as-i-can-tell-the-only-unambiguous-consequence-of-the-claimed/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [Look, science is hard, it has a reputation of being hard, and the facts are, it is hard, and that's the result of 400…](https://sms4smile.com/quotes/seth-shostak/look-science-is-hard-it-has-a-reputation-of-being-hard-and-the-facts/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio signals, despite…](https://sms4smile.com/quotes/seth-shostak/give-consideration-to-the-fact-that-alien-astronomers-could-have/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [In a movie, it's often important to have aliens whose gestures and facial expressions can be 'read' by humans. And in the days before…](https://sms4smile.com/quotes/seth-shostak/in-a-movie-it-s-often-important-to-have-aliens-whose-gestures-and/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [Sure, nobody will make a fortune if we figure out why the Big Bang happened. But just about everyone would like to know.](https://sms4smile.com/quotes/seth-shostak/sure-nobody-will-make-a-fortune-if-we-figure-out-why-the-big-bang/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an…](https://sms4smile.com/quotes/seth-shostak/if-you-could-drive-straight-down-into-a-tunnel-bored-through-the/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [While I have always thought that the motivation for looking for E.T. was both self-evident and patently worthy, it's possible that I'm a victim…](https://sms4smile.com/quotes/seth-shostak/while-i-have-always-thought-that-the-motivation-for-looking-for-e-t/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [I studied Latin in high school, and I was reading stuff from Cicero. 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If you compare planet hunting to prospecting for gold, then Kepler is equivalent…](https://sms4smile.com/quotes/seth-shostak/this-plucky-nasa-telescope-is-able-to-find-planets-en-masse-if-you/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [The most attractive habitats for synthetic sentience might be the vicinities of exceptional sources of energy - for example black holes, or even the…](https://sms4smile.com/quotes/seth-shostak/the-most-attractive-habitats-for-synthetic-sentience-might-be-the/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [Buying insurance is no one's idea of fun. And it's especially easy to berate something as funky-sounding as writing checks to defend our neighborhoods…](https://sms4smile.com/quotes/seth-shostak/buying-insurance-is-no-one-s-idea-of-fun-and-it-s-especially-easy-to/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [Plate tectonics is not all havoc and destruction. The slow movement of continents and ocean floors recycles carbon dioxide dissolved in the oceans back…](https://sms4smile.com/quotes/seth-shostak/plate-tectonics-is-not-all-havoc-and-destruction-the-slow-movement-of/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) [Explore all 189 Seth Shostak quotes ](https://sms4smile.com/quotes/author/seth-shostak/) ## More Intelligent quotes > [And you can't complain about kissing Emma Watson. Isn't that what everyone in the world wants to do? I've known Emma for a few…](https://sms4smile.com/quotes/eddie-redmayne/and-you-can-t-complain-about-kissing-emma-watson-isn-t-that-what/) [Eddie Redmayne](https://sms4smile.com/quotes/author/eddie-redmayne/) > [If we accept being talked to any kind of a way, then we are telling ourselves we are not quite worth the best. 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