--- title: "Meaning & Key Takeaway of: If you consider the universe one second…" description: "\"If you consider the universe one second after the Big Bang, the expansion rate would have to have been just right to an accuracy of 15 decimal places, ..." image: "https://sms4smile.com/quotes/i/bb0/alan-guth-18636_accuracy_if-you-consider-the-universe-one-second_2422080.png" --- # If you consider the universe one second after the Big… ![“If you consider the universe one second after the Big Bang, the expansion rate would have to have been just right to an accuracy of 15 decimal places, or else the universe would really not work.” quote by Alan Guth](https://sms4smile.com/quotes/i/bb0/alan-guth-18636_accuracy_if-you-consider-the-universe-one-second_2422080.png) [Download](https://sms4smile.com/quotes/i/bb0/alan-guth-18636_accuracy_if-you-consider-the-universe-one-second_2422080.png) [Open image](https://sms4smile.com/quotes/i/bb0/alan-guth-18636_accuracy_if-you-consider-the-universe-one-second_2422080.png) > “If you consider the universe one second after the Big Bang, the expansion rate would have to have been just right to an accuracy of 15 decimal places, or else the universe would really not work.” [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. The universe's early expansion needed extreme fine‑tuning; even tiny deviations would prevent its existence. **In simple terms:** Precise early expansion is essential for a working universe. Key Takeaway Recognize the fragility of cosmic conditions. Themes cosmology fine‑tuning physics Mood wonder awe curiosity Type philosophical scientific When to use this quote - academic lecture - popular science article - university seminar Key Concepts anthropic principle inflation theory Questions to Reflect On - What does this precision imply about the universe's origin? - How does fine‑tuning affect our view of chance vs. design? A Different Perspective If other constants varied, life might be impossible. ★ ★ ★ ★ ★ No ratings yet [Accuracy](https://sms4smile.com/quotes/about/accuracy/) [Big bang](https://sms4smile.com/quotes/about/big-bang/) [Universe](https://sms4smile.com/quotes/about/universe/) [Work](https://sms4smile.com/quotes/about/work/) ## Related quotes > [A hydrogen bomb, for me, was puny compared to the Big Bang - the creation of the universe. That's what I really wanted to…](https://sms4smile.com/quotes/michio-kaku/a-hydrogen-bomb-for-me-was-puny-compared-to-the-big-bang-the-creation/) [Michio Kaku](https://sms4smile.com/quotes/author/michio-kaku/) > [Can we consider the universe real, and if so, in what way?](https://sms4smile.com/quotes/philip-k-dick/can-we-consider-the-universe-real-and-if-so-in-what-way/) [Philip K. 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There really…](https://sms4smile.com/quotes/morgan-freeman/the-word-universe-is-supposed-to-mean-everything-that-exists-today-we/) [Morgan Freeman](https://sms4smile.com/quotes/author/morgan-freeman/) > [That is, you can have nothingness, absolute nothingness for maybe a tiny fraction of a second, if a second can be defined in that…](https://sms4smile.com/quotes/brian-greene/that-is-you-can-have-nothingness-absolute-nothingness-for-maybe-a/) [Brian Greene](https://sms4smile.com/quotes/author/brian-greene/) > [The universe is really playing hard game with me.](https://sms4smile.com/quotes/nina-ardianti/the-universe-is-really-playing-hard-game-with-me/) [Nina Ardianti](https://sms4smile.com/quotes/author/nina-ardianti/) > [“You can't photograph the hugest mysteries of the universe that really have nothing to do with what shows up before your eyes, under a…](https://sms4smile.com/quotes/carol-plum-ucci/you-can-t-photograph-the-hugest-mysteries-of-the-universe-that-really/) [Carol Plum-Ucci](https://sms4smile.com/quotes/author/carol-plum-ucci/) > [For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.](https://sms4smile.com/quotes/carl-sagan/for-me-it-is-far-better-to-grasp-the-universe-as-it-really-is-than-to/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [So long as the universe had a beginning, we could suppose it had a creator. But if the universe is really completely self-contained, having…](https://sms4smile.com/quotes/stephen-hawking/so-long-as-the-universe-had-a-beginning-we-could-suppose-it-had-a/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) ## More by Alan Guth > [If one just tried to invent a universe on one's own, it would probably end up being a much less colorful and interesting universe…](https://sms4smile.com/quotes/alan-guth/if-one-just-tried-to-invent-a-universe-on-one-s-own-it-would-probably/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [Space is certainly something more complicated than the average person would probably realize. Space is not just an empty background in which things happen.](https://sms4smile.com/quotes/alan-guth/space-is-certainly-something-more-complicated-than-the-average-person/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [I am not aware of any sensible theory of how classical gravity could interact with quantum matter, and I can't imagine how such a…](https://sms4smile.com/quotes/alan-guth/i-am-not-aware-of-any-sensible-theory-of-how-classical-gravity-could/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [My parents were not at all involved in science. In fact, neither of them went to college.](https://sms4smile.com/quotes/alan-guth/my-parents-were-not-at-all-involved-in-science-in-fact-neither-of/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [The idea of combining the physics of modern particle theory with cosmology was very young when I started working on cosmology.](https://sms4smile.com/quotes/alan-guth/the-idea-of-combining-the-physics-of-modern-particle-theory-with/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [It is rather fantastic to realize that the laws of physics can describe how everything was created in a random quantum fluctuation out of…](https://sms4smile.com/quotes/alan-guth/it-is-rather-fantastic-to-realize-that-the-laws-of-physics-can/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [Reformed Jews don't have to quite believe in God.](https://sms4smile.com/quotes/alan-guth/reformed-jews-don-t-have-to-quite-believe-in-god/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [When one studies the properties of atoms, one found that the reality is far stranger than anybody would have invented in the form of…](https://sms4smile.com/quotes/alan-guth/when-one-studies-the-properties-of-atoms-one-found-that-the-reality/) [Alan Guth](https://sms4smile.com/quotes/author/alan-guth/) > [If you bang two electrons together with enough energy, you produce protons. 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Accuracy of description in language is not possible…](https://sms4smile.com/quotes/northrop-frye/the-only-thing-that-words-can-do-with-any-real-precision-or-accuracy/) [Northrop Frye](https://sms4smile.com/quotes/author/northrop-frye/) > [Am I accurately reporting what I see in such a blossom? The answer is no ... and yes.](https://sms4smile.com/quotes/allen-lacy/am-i-accurately-reporting-what-i-see-in-such-a-blossom-the-answer-is/) [Allen Lacy](https://sms4smile.com/quotes/author/allen-lacy/) > [Only by being suspended aloft, by dangling my mind in the heavens and mingling my rare thought with the ethereal air, could I ever…](https://sms4smile.com/quotes/aristophanes/only-by-being-suspended-aloft-by-dangling-my-mind-in-the-heavens-and/) [Aristophanes](https://sms4smile.com/quotes/author/aristophanes/) > [Without much accuracy, with strangely little love at all, your family will decide for you exactly who you are, and they'll keep nudging, coaxing,…](https://sms4smile.com/quotes/allan-gurganus/without-much-accuracy-with-strangely-little-love-at-all-your-family/) [Allan Gurganus](https://sms4smile.com/quotes/author/allan-gurganus/) > [The federal government is starting to plan for climate change by making extended forecasts that can help people plan for extreme weather - because…](https://sms4smile.com/quotes/jimmy-fallon/the-federal-government-is-starting-to-plan-for-climate-change-by/) [Jimmy Fallon](https://sms4smile.com/quotes/author/jimmy-fallon/) > [Nobody sees reality whole; we all need others to show us the parts of it that they see better than we do. 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