--- title: "Meaning & Key Takeaway of: Einstein theorized that time travel was…" description: "\"Einstein theorized that time travel was possible, but he was looking at it as unidirectional, going forward. Traveling into the past is much more probl..." image: "https://sms4smile.com/quotes/i/653/kelley-armstrong-581_past_einstein-theorized-that-time-travel-was_1893952.png" --- # Einstein theorized that time travel was possible, but he… ![“Einstein theorized that time travel was possible, but he was looking at it as unidirectional, going forward. Traveling into the past is much more problematic, as countless stories have demonstrated!” quote by Kelley Armstrong](https://sms4smile.com/quotes/i/653/kelley-armstrong-581_past_einstein-theorized-that-time-travel-was_1893952.png) [Download](https://sms4smile.com/quotes/i/653/kelley-armstrong-581_past_einstein-theorized-that-time-travel-was_1893952.png) [Open image](https://sms4smile.com/quotes/i/653/kelley-armstrong-581_past_einstein-theorized-that-time-travel-was_1893952.png) > “Einstein theorized that time travel was possible, but he was looking at it as unidirectional, going forward. Traveling into the past is much more problematic, as countless stories have demonstrated!” [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Einstein suggested forward time travel is feasible, but backward travel faces paradoxes and logical issues. **In simple terms:** Forward travel may work; backward travel is problematic. Key Takeaway Consider limits of time manipulation. Themes physics time paradoxes science theory Mood thoughtful inquisitive Type philosophical scientific When to use this quote - scientific research - science fiction writing - philosophical debate - technology development Key Concepts relativity causality temporal mechanics Questions to Reflect On - What assumptions make backward travel impossible? - How do paradoxes affect our view of time? A Different Perspective Backward travel may violate causality and create paradoxes. ★ ★ ★ ★ ★ No ratings yet [Past](https://sms4smile.com/quotes/about/past/) [Stories](https://sms4smile.com/quotes/about/stories/) [Time](https://sms4smile.com/quotes/about/time/) [Time travel](https://sms4smile.com/quotes/about/time-travel/) [Travel](https://sms4smile.com/quotes/about/travel/) ## Related quotes > [Time travel offends our sense of cause and effect - but maybe the universe doesn't insist on cause and effect.](https://sms4smile.com/quotes/edward-m-lerner/time-travel-offends-our-sense-of-cause-and-effect-but-maybe-the/) [Edward M. Lerner](https://sms4smile.com/quotes/author/edward-m-lerner/) > [“Such a funny thing, time. You spend your whole life wishing there was more or less of it, never realizing that the time already…](https://sms4smile.com/quotes/moryah-demott/such-a-funny-thing-time-you-spend-your-whole-life-wishing-there-was/) [Moryah DeMott](https://sms4smile.com/quotes/author/moryah-demott/) > [It doesn't happen all the time, but in the moments where you really lose yourself and you fall into this character, it's like time…](https://sms4smile.com/quotes/brit-marling/it-doesn-t-happen-all-the-time-but-in-the-moments-where-you-really/) [Brit Marling](https://sms4smile.com/quotes/author/brit-marling/) > [Unlike some of the time-travel movies I love, like 'Primer' or '12 Monkeys,' 'Looper' is not about time travel. It's about this situation that…](https://sms4smile.com/quotes/rian-johnson/unlike-some-of-the-time-travel-movies-i-love-like-primer-or-12/) [Rian Johnson](https://sms4smile.com/quotes/author/rian-johnson/) > [And if travel is like love, it is, in the end, mostly because it's a heightened state of awareness, in which we are mindful,…](https://sms4smile.com/quotes/pico-iyer/and-if-travel-is-like-love-it-is-in-the-end-mostly-because-it-s-a/) [Pico Iyer](https://sms4smile.com/quotes/author/pico-iyer/) > [I allude to Back to the Future in the 1985 story to let folks know it was an inspiration and because it literally was…](https://sms4smile.com/quotes/kiese-laymon/i-allude-to-back-to-the-future-in-the-1985-story-to-let-folks-know-it/) [Kiese Laymon](https://sms4smile.com/quotes/author/kiese-laymon/) > [We travel to open our hearts and eyes and learn more about the world than our newspapers will accommodate.](https://sms4smile.com/quotes/pico-iyer/we-travel-to-open-our-hearts-and-eyes-and-learn-more-about-the-world/) [Pico Iyer](https://sms4smile.com/quotes/author/pico-iyer/) > [“Okay, try this on for size, Tall, Dark and Handsome. 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On reverse time travel.](https://sms4smile.com/quotes/james-jeans/one-must-stand-stiller-than-still-on-reverse-time-travel/) [James Jeans](https://sms4smile.com/quotes/author/james-jeans/) > [“Seriously, this old woman had no idea how close she came to being squashed like a roach. -Sage Hannigan, Contingency”](https://sms4smile.com/quotes/p-s-martinez/seriously-this-old-woman-had-no-idea-how-close-she-came-to-being/) P. S. Martinez > [Too often travel, instead of broadening the mind, merely lengthens the conversations.](https://sms4smile.com/quotes/elizabeth-drew/too-often-travel-instead-of-broadening-the-mind-merely-lengthens-the/) [Elizabeth Drew](https://sms4smile.com/quotes/author/elizabeth-drew/) ## More by Kelley Armstrong > [So," I said. "Seems you're going to be stuck with me for a while." He smiled. A real smile that lit up his whole…](https://sms4smile.com/quotes/kelley-armstrong/so-i-said-seems-you-re-going-to-be-stuck-with-me-for-a-while-he/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [“He turned my way, and I was so engrossed in my thoughts that I didn't notice for a second. Then I realized I was…](https://sms4smile.com/quotes/kelley-armstrong/he-turned-my-way-and-i-was-so-engrossed-in-my-thoughts-that-i-didn-t/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [when times are tough, the weak bail and the tough get creative.](https://sms4smile.com/quotes/kelley-armstrong/when-times-are-tough-the-weak-bail-and-the-tough-get-creative/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [Nuh-uh. No deals with the devil. I’ve learned my lesson on that one. ~Jaime Vegas](https://sms4smile.com/quotes/kelley-armstrong/nuh-uh-no-deals-with-the-devil-i-ve-learned-my-lesson-on-that-one/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [“Another night then,' Mom said. 'Maybe on the weekend we can have a barbecue and invite your sister.' 'Or,' I said turning to Rafe,…](https://sms4smile.com/quotes/kelley-armstrong/another-night-then-mom-said-maybe-on-the-weekend-we-can-have-a/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [Believe me, I have better things to do than sabotage your friendships. No one else's world revolves around you, Cassandra." -Paige to Cassandra](https://sms4smile.com/quotes/kelley-armstrong/believe-me-i-have-better-things-to-do-than-sabotage-your-friendships/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [Reviews are great. 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It's tempting because…](https://sms4smile.com/quotes/kelley-armstrong/when-a-series-is-doing-well-it-s-very-tempting-to-keep-writing-it/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [You bat your baby blues at tall, dark, and gruesome, and next thing you know, he's trailing you like a lost puppy.](https://sms4smile.com/quotes/kelley-armstrong/you-bat-your-baby-blues-at-tall-dark-and-gruesome-and-next-thing-you/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [With no chance to take off, I had to play my role, searching for the rendezvous spot, which gave me the excuse to look…](https://sms4smile.com/quotes/kelley-armstrong/with-no-chance-to-take-off-i-had-to-play-my-role-searching-for-the/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) > [When I glanced at the chair, it started to shake. 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Then, lips still close enough to feel them tickle mine, he said, "You know this…](https://sms4smile.com/quotes/kelley-armstrong/he-laughed-and-tugged-me-down-in-a-kiss-then-lips-still-close-enough/) [Kelley Armstrong](https://sms4smile.com/quotes/author/kelley-armstrong/) [Explore all 458 Kelley Armstrong quotes ](https://sms4smile.com/quotes/author/kelley-armstrong/) ## More Past quotes > [Because after you've crossed some lines, you just keep crossing them. And there's no escaping from constant escape. Distracting ourselves. Avoiding confrontation. Getting past…](https://sms4smile.com/quotes/chuck-palahniuk/because-after-you-ve-crossed-some-lines-you-just-keep-crossing-them/) [Chuck Palahniuk](https://sms4smile.com/quotes/author/chuck-palahniuk/) > [You can think about it, wonder what went wrong, over analyze the situation but the fact remains... it's the past, just let it go.](https://sms4smile.com/quotes/rashida-rowe/you-can-think-about-it-wonder-what-went-wrong-over-analyze-the/) [Rashida Rowe](https://sms4smile.com/quotes/author/rashida-rowe/) > [The Iranian people have a proud past. They merit a great future.](https://sms4smile.com/quotes/condoleezza-rice/the-iranian-people-have-a-proud-past-they-merit-a-great-future/) [Condoleezza Rice](https://sms4smile.com/quotes/author/condoleezza-rice/) > [I used to fight with hate. There's been a lot of aggression in my past growing up and stuff. 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