--- title: "Meaning & Key Takeaway of: All we know for sure is that if some…" description: "\"“All we know for sure is that if some astronomer turned a telescope to a far-off star cluster tonight and found incontrovertible evidence of life, even..." image: "https://sms4smile.com/quotes/i/6b3/sam-kean-10876_astronomy_all-we-know-for-sure-is-that-if-some-ast_2680946.png" --- # All we know for sure is that if some astronomer turned a… ![“All we know for sure is that if some astronomer turned a telescope to a far-off star cluster tonight and found incontrovertible evidence of life, even microbial scavengers, it would be the most important discovery ever—proof that human beings are not so special after all. Except that we exist…” quote by Sam Kean](https://sms4smile.com/quotes/i/6b3/sam-kean-10876_astronomy_all-we-know-for-sure-is-that-if-some-ast_2680946.png) [Download](https://sms4smile.com/quotes/i/6b3/sam-kean-10876_astronomy_all-we-know-for-sure-is-that-if-some-ast_2680946.png) [Open image](https://sms4smile.com/quotes/i/6b3/sam-kean-10876_astronomy_all-we-know-for-sure-is-that-if-some-ast_2680946.png) > ““All we know for sure is that if some astronomer turned a telescope to a far-off star cluster tonight and found incontrovertible evidence of life, even microbial scavengers, it would be the most important discovery ever—proof that human beings are not so special after all. Except that we exist, too, and can understand and make such discoveries.”” [Sam Kean](https://sms4smile.com/quotes/author/sam-kean/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Discovering extraterrestrial life would challenge human exceptionalism, showing we’re part of a broader cosmos. **In simple terms:** Finding alien life reshapes humanity’s self‑view. Key Takeaway Remain open to cosmic humility. Themes science humility cosmos Mood wonderful humbling Type speculative philosophical When to use this quote - research - education - philosophy Key Concepts astrobiology existentialism Questions to Reflect On - How would you react to alien microbes? - What does this mean for human purpose? A Different Perspective Evidence may remain elusive. ★ ★ ★ ★ ★ No ratings yet [Astronomy](https://sms4smile.com/quotes/about/astronomy/) [Discoveries](https://sms4smile.com/quotes/about/discoveries/) [Discovery](https://sms4smile.com/quotes/about/discovery/) [Extraterrestrial life](https://sms4smile.com/quotes/about/extraterrestrial-life/) [Galaxy](https://sms4smile.com/quotes/about/galaxy/) [Life](https://sms4smile.com/quotes/about/life/) [Make Discoveries](https://sms4smile.com/quotes/about/make-discoveries-276791/) [Microbial Scavengers](https://sms4smile.com/quotes/about/microbial-scavengers-2580050/) [Sure Astronomer](https://sms4smile.com/quotes/about/sure-astronomer-2580049/) ## Related quotes > [I have generally sought to work on questions that I thought were both interesting and approachable, yet not too widely appreciated. To struggle to…](https://sms4smile.com/quotes/jack-w-szostak/i-have-generally-sought-to-work-on-questions-that-i-thought-were-both/) [Jack W. 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