--- title: "5 Space time Quotes By Stephen Hawking" description: "5 Space time quotes by Stephen Hawking. Plus more from Stephen Hawking and more Space time sayings from other authors." image: "https://sms4smile.com/quotes/i/44d/stephen-hawking-389_boundaries_in-real-time-the-universe-has-a-beginnin_166497.jpg" --- > [In real time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which…](https://sms4smile.com/quotes/stephen-hawking/in-real-time-the-universe-has-a-beginning-and-an-end-at-singularities/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) [Image](https://sms4smile.com/quotes/i/44d/stephen-hawking-389_boundaries_in-real-time-the-universe-has-a-beginnin_166497.jpg) > [“In the early universe—when the universe was small enough to be governed by both general relativity and quantum theory—there were effectively four…](https://sms4smile.com/quotes/stephen-hawking/in-the-early-universe-when-the-universe-was-small-enough-to-be/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) [Image](https://sms4smile.com/quotes/i/05c/stephen-hawking-389_general-relativity_in-the-early-universe-when-the-universe_2292991.jpg) > [Before 1915, space and time were thought of as a fixed arena in which events took place, but which was not affected…](https://sms4smile.com/quotes/stephen-hawking/before-1915-space-and-time-were-thought-of-as-a-fixed-arena-in-which/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) [Image](https://sms4smile.com/quotes/i/043/stephen-hawking-389_affect_before-1915-space-and-time-were-thought_2382939.jpg) > [“time and space are intertwined. It is something like adding a fourth direction of future/past to the usual left/right, forward/backward, and up/down.…](https://sms4smile.com/quotes/stephen-hawking/time-and-space-are-intertwined-it-is-something-like-adding-a-fourth/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) [Image](https://sms4smile.com/quotes/i/3fd/stephen-hawking-389_space_time-and-space-are-intertwined-it-is-som_2576438.jpg) > [Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that…](https://sms4smile.com/quotes/stephen-hawking/time-travel-used-to-be-thought-of-as-just-science-fiction-but/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) [Image](https://sms4smile.com/quotes/i/d53/stephen-hawking-389_fiction_time-travel-used-to-be-thought-of-as-jus_2799130.jpg) ## Other authors on Space time - [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b008/author-deepak-chopra-28468.jpg) Deepak Chopra 8 quotes ](https://sms4smile.com/quotes/about/space-time/deepak-chopra/) - [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b003/author-albert-einstein-10494.jpg) Albert Einstein 6 quotes ](https://sms4smile.com/quotes/about/space-time/albert-einstein/) ## More by Stephen Hawking > [The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two or three years.](https://sms4smile.com/quotes/stephen-hawking/the-doctor-who-diagnosed-me-with-als-or-motor-neuron-disease-told-me/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [We are the product of quantum fluctuations in the very early universe.](https://sms4smile.com/quotes/stephen-hawking/we-are-the-product-of-quantum-fluctuations-in-the-very-early-universe/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [The human race does not have a very good record of intelligent behavior.](https://sms4smile.com/quotes/stephen-hawking/the-human-race-does-not-have-a-very-good-record-of-intelligent/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [“We have finally found something that doesn’t have a cause, because there was no time for a cause to exist in. For me this…](https://sms4smile.com/quotes/stephen-hawking/we-have-finally-found-something-that-doesn-t-have-a-cause-because/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [ \[On President Bush's plan to get to Mars in 10 years\] Stupid. Robots would do a better job and be much cheaper because you… ](https://sms4smile.com/quotes/stephen-hawking/on-president-bush-s-plan-to-get-to-mars-in-10-years-stupid-robots/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [I believe the simplest explanation is, there is no God. No one created the universe and no one directs our fate. This leads me…](https://sms4smile.com/quotes/stephen-hawking/i-believe-the-simplest-explanation-is-there-is-no-god-no-one-created/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [The Paralympic Games is about transforming our perception of the world.](https://sms4smile.com/quotes/stephen-hawking/the-paralympic-games-is-about-transforming-our-perception-of-the-world/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [The increase of disorder or entropy is what distinguishes the past from the future, giving a direction to time.](https://sms4smile.com/quotes/stephen-hawking/the-increase-of-disorder-or-entropy-is-what-distinguishes-the-past/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at…](https://sms4smile.com/quotes/stephen-hawking/most-sets-of-values-would-give-rise-to-universes-that-although-they/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [There is a fundamental difference between religion, which is based on authority, and science, which is based on observation and reason. Science will win…](https://sms4smile.com/quotes/stephen-hawking/there-is-a-fundamental-difference-between-religion-which-is-based-on/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [“In the eighteenth century, philosophers considered the whole of human knowledge, including science, to be their field and discussed questions such as: Did the…](https://sms4smile.com/quotes/stephen-hawking/in-the-eighteenth-century-philosophers-considered-the-whole-of-human/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [A model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and…](https://sms4smile.com/quotes/stephen-hawking/a-model-is-a-good-model-if-first-it-interprets-a-wide-range-of/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [“Empedocles noticed that if you cover the neck before you immerse it, a clepsydra does not fill. He reasoned that something invisible must be…](https://sms4smile.com/quotes/stephen-hawking/empedocles-noticed-that-if-you-cover-the-neck-before-you-immerse-it-a/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until…](https://sms4smile.com/quotes/stephen-hawking/the-human-race-shouldn-t-have-all-its-eggs-in-one-basket-or-on-one/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) > [I hope I have helped to raise the profile of science and to show that physics is not a mystery but can be understood…](https://sms4smile.com/quotes/stephen-hawking/i-hope-i-have-helped-to-raise-the-profile-of-science-and-to-show-that/) [Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "ItemList", "@id": "https://sms4smile.com/quotes/about/space-time/stephen-hawking/#itemlist", "name": "5 Space time Quotes By Stephen Hawking", "numberOfItems": 5, "itemListElement": [ { "@type": "ListItem", "position": 1, "item": { "@type": "Quotation", "text": "In real time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which the laws of science break down.", "creator": { "@type": "Person", "name": "Stephen Hawking" }, "url": "https://sms4smile.com/quotes/stephen-hawking/in-real-time-the-universe-has-a-beginning-and-an-end-at-singularities/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/44d/stephen-hawking-389_boundaries_in-real-time-the-universe-has-a-beginnin_166497.jpg", "contentUrl": "https://sms4smile.com/quotes/i/44d/stephen-hawking-389_boundaries_in-real-time-the-universe-has-a-beginnin_166497.jpg", "url": "https://sms4smile.com/quotes/i/44d/stephen-hawking-389_boundaries_in-real-time-the-universe-has-a-beginnin_166497.jpg", "width": 1080, "height": 1080, "caption": "“In real time, the universe has a beginning and an end at singularities that form a boundary to space-time…” — Stephen Hawking", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 2, "item": { "@type": "Quotation", "text": "“In the early universe—when the universe was small enough to be governed by both general relativity and quantum theory—there were effectively four dimensions of space and none of time. That means that when we speak of the “beginning” of the universe, we are skirting the subtle issue that as we look backward toward the very early universe, time as we know it does not exist! We must accept that our usual ideas of space and time do not apply to the very early universe. 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Space and time are now dynamic quantities... space and time not only affect but are also affected by everything that happens in the universe.", "creator": { "@type": "Person", "name": "Stephen Hawking" }, "url": "https://sms4smile.com/quotes/stephen-hawking/before-1915-space-and-time-were-thought-of-as-a-fixed-arena-in-which/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/043/stephen-hawking-389_affect_before-1915-space-and-time-were-thought_2382939.jpg", "contentUrl": "https://sms4smile.com/quotes/i/043/stephen-hawking-389_affect_before-1915-space-and-time-were-thought_2382939.jpg", "url": "https://sms4smile.com/quotes/i/043/stephen-hawking-389_affect_before-1915-space-and-time-were-thought_2382939.jpg", "width": 1080, "height": 1080, "caption": "“Before 1915, space and time were thought of as a fixed arena in which events took place, but which was not…” — Stephen Hawking", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 4, "item": { "@type": "Quotation", "text": "“time and space are intertwined. 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