--- title: "11 Theory Quotes By Max Tegmark" description: "11 Theory quotes by Max Tegmark. Plus more from Max Tegmark and more Theory sayings from other authors." image: "https://sms4smile.com/quotes/i/bcb/max-tegmark-3860_100-years_scientific-american-called-100-years-of_2268430.jpg" --- > [“Scientific American called “100 Years of Quantum Mysteries,”](https://sms4smile.com/quotes/max-tegmark/scientific-american-called-100-years-of-quantum-mysteries/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/bcb/max-tegmark-3860_100-years_scientific-american-called-100-years-of_2268430.jpg) > [“In theory, theory and practice are the same. In practice, they are not. —Albert Einstein”](https://sms4smile.com/quotes/max-tegmark/in-theory-theory-and-practice-are-the-same-in-practice-they-are-not/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/52b/max-tegmark-3860_albert-einstein_in-theory-theory-and-practice-are-the-sa_178880.jpg) > [“I view the measure problem as the greatest crisis in physics today.”](https://sms4smile.com/quotes/max-tegmark/i-view-the-measure-problem-as-the-greatest-crisis-in-physics-today/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/48c/max-tegmark-3860_physics_i-view-the-measure-problem-as-the-greate_154743.jpg) > [“a particle is simply “an element of an irreducible representation of the symmetry group.”](https://sms4smile.com/quotes/max-tegmark/a-particle-is-simply-an-element-of-an-irreducible-representation-of/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/47c/max-tegmark-3860_particle_a-particle-is-simply-an-element-of-an-ir_2564643.jpg) > [“Figure 4.1: Both dark matter and dark energy are invisible, which means that they refuse to interact with light and other electromagnetic…](https://sms4smile.com/quotes/max-tegmark/figure-4-1-both-dark-matter-and-dark-energy-are-invisible-which-means/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/176/max-tegmark-3860_dark_figure-4-1-both-dark-matter-and-dark-ene_2596116.jpg) > [“Instead, in what he later described as his greatest blunder, he changed his equations by adding an extra term that allowed our…](https://sms4smile.com/quotes/max-tegmark/instead-in-what-he-later-described-as-his-greatest-blunder-he-changed/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/0d0/max-tegmark-3860_blunder_instead-in-what-he-later-described-as-hi_3209613.jpg) > [“Darwin’s theory thus makes the testable prediction that whenever we use technology to glimpse reality beyond the human scale, our evolved intuition…](https://sms4smile.com/quotes/max-tegmark/darwin-s-theory-thus-makes-the-testable-prediction-that-whenever-we/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/2c1/max-tegmark-3860_technology_darwin-s-theory-thus-makes-the-testable_3225846.jpg) > [“It’s we humans who introduce these concepts and the words for them: in principle, everything could have been derived from the fundamental…](https://sms4smile.com/quotes/max-tegmark/it-s-we-humans-who-introduce-these-concepts-and-the-words-for-them-in/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/051/max-tegmark-3860_theory_it-s-we-humans-who-introduce-these-conce_2448181.jpg) > [“Looking toward the future, there are two possibilities. If I’m wrong and the MUH is false, then physics will eventually hit an…](https://sms4smile.com/quotes/max-tegmark/looking-toward-the-future-there-are-two-possibilities-if-i-m-wrong/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/c58/max-tegmark-3860_physics_looking-toward-the-future-there-are-two_1354463.jpg) > [“Again Einstein comes to the rescue with a loophole, this time from his general relativity theory, which says that gravity is caused…](https://sms4smile.com/quotes/max-tegmark/again-einstein-comes-to-the-rescue-with-a-loophole-this-time-from-his/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/082/max-tegmark-3860_general-relativity_again-einstein-comes-to-the-rescue-with_2189905.jpg) > [“Physics is the ultimate intellectual adventure, the quest to understand the deepest mysteries of our Universe. Physics doesn’t take something fascinating and…](https://sms4smile.com/quotes/max-tegmark/physics-is-the-ultimate-intellectual-adventure-the-quest-to/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) [Image](https://sms4smile.com/quotes/i/19a/max-tegmark-3860_adventure_physics-is-the-ultimate-intellectual-adv_316100.jpg) ## Other authors on Theory ## More by Max Tegmark > [“My personal analysis is that the media have made the AI-safety debate seem more controversial than it really is. After all, fear sells, and…](https://sms4smile.com/quotes/max-tegmark/my-personal-analysis-is-that-the-media-have-made-the-ai-safety-debate/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“Chapter 2: How could an infinite space get created in a finite time? It sounds impossible. But as I mentioned, inflation is like a…](https://sms4smile.com/quotes/max-tegmark/chapter-2-how-could-an-infinite-space-get-created-in-a-finite-time-it/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“I suspect that if we can build such ultra-intelligent machines, then the first one will be severely limited by the software we’ve written for…](https://sms4smile.com/quotes/max-tegmark/i-suspect-that-if-we-can-build-such-ultra-intelligent-machines-then/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“Aristarchos simply divided it by 3.7 and got the size of the Moon!”](https://sms4smile.com/quotes/max-tegmark/aristarchos-simply-divided-it-by-3-7-and-got-the-size-of-the-moon/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“I view the measure problem as the greatest crisis in physics today.”](https://sms4smile.com/quotes/max-tegmark/i-view-the-measure-problem-as-the-greatest-crisis-in-physics-today/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“the whole can contain less information than the sum of its parts—and sometimes even less than one of its parts!”](https://sms4smile.com/quotes/max-tegmark/the-whole-can-contain-less-information-than-the-sum-of-its-parts-and/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“In theory, theory and practice are the same. In practice, they are not. —Albert Einstein”](https://sms4smile.com/quotes/max-tegmark/in-theory-theory-and-practice-are-the-same-in-practice-they-are-not/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“Why do we perceive the world as stable and ourselves as local and unique? Here’s my guess: because it’s useful.”](https://sms4smile.com/quotes/max-tegmark/why-do-we-perceive-the-world-as-stable-and-ourselves-as-local-and/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“the neuron bundle comes from our eyes, ears, nose, mouth or skin. The key difference lies not in the neurons that carry this information,…](https://sms4smile.com/quotes/max-tegmark/the-neuron-bundle-comes-from-our-eyes-ears-nose-mouth-or-skin-the-key/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“In other words, even though an observer moment objectively occupies less than a liter of volume and a second of time, it subjectively feels…](https://sms4smile.com/quotes/max-tegmark/in-other-words-even-though-an-observer-moment-objectively-occupies/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“Neural networks have now transformed both biological and artificial intelligence, and have recently started dominating the AI subfield known as machine learning (the study…](https://sms4smile.com/quotes/max-tegmark/neural-networks-have-now-transformed-both-biological-and-artificial/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“Physics is the ultimate intellectual adventure, the quest to understand the deepest mysteries of our Universe. Physics doesn’t take something fascinating and make it…](https://sms4smile.com/quotes/max-tegmark/physics-is-the-ultimate-intellectual-adventure-the-quest-to/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [Our external physical reality is a mathematical structure.](https://sms4smile.com/quotes/max-tegmark/our-external-physical-reality-is-a-mathematical-structure/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“it can start with something smaller than an atom and create an infinite space inside of it, containing infinitely many galaxies, without affecting the…](https://sms4smile.com/quotes/max-tegmark/it-can-start-with-something-smaller-than-an-atom-and-create-an/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) > [“A perfectly obedient superintelligence whose goals automatically align with those of its human owner would be like Nazi SS-Obersturmbannführer Adolf Eichmann on steroids: lacking…](https://sms4smile.com/quotes/max-tegmark/a-perfectly-obedient-superintelligence-whose-goals-automatically/) [Max Tegmark](https://sms4smile.com/quotes/author/max-tegmark/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "ItemList", "@id": "https://sms4smile.com/quotes/about/theory/max-tegmark/#itemlist", "name": "11 Theory Quotes By Max Tegmark", "numberOfItems": 11, "itemListElement": [ { "@type": "ListItem", "position": 1, "item": { "@type": "Quotation", "text": "“Scientific American called “100 Years of Quantum Mysteries,”", "creator": { "@type": "Person", "name": "Max Tegmark" }, "url": "https://sms4smile.com/quotes/max-tegmark/scientific-american-called-100-years-of-quantum-mysteries/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/bcb/max-tegmark-3860_100-years_scientific-american-called-100-years-of_2268430.jpg", "contentUrl": "https://sms4smile.com/quotes/i/bcb/max-tegmark-3860_100-years_scientific-american-called-100-years-of_2268430.jpg", "url": "https://sms4smile.com/quotes/i/bcb/max-tegmark-3860_100-years_scientific-american-called-100-years-of_2268430.jpg", "width": 1080, "height": 1080, "caption": "“Scientific American called “100 Years of Quantum Mysteries,” — Max Tegmark", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 2, "item": { "@type": "Quotation", "text": "“In theory, theory and practice are the same. 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But positive pressure also causes attractive gravity, which means that negative pressure causes repulsive gravity!”", "creator": { "@type": "Person", "name": "Max Tegmark" }, "url": "https://sms4smile.com/quotes/max-tegmark/again-einstein-comes-to-the-rescue-with-a-loophole-this-time-from-his/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/082/max-tegmark-3860_general-relativity_again-einstein-comes-to-the-rescue-with_2189905.jpg", "contentUrl": "https://sms4smile.com/quotes/i/082/max-tegmark-3860_general-relativity_again-einstein-comes-to-the-rescue-with_2189905.jpg", "url": "https://sms4smile.com/quotes/i/082/max-tegmark-3860_general-relativity_again-einstein-comes-to-the-rescue-with_2189905.jpg", "width": 1080, "height": 1080, "caption": "“Again Einstein comes to the rescue with a loophole, this time from his general relativity theory, which says…” — Max Tegmark", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } }, { "@type": "ListItem", "position": 11, "item": { "@type": "Quotation", "text": "“Physics is the ultimate intellectual adventure, the quest to understand the deepest mysteries of our Universe. Physics doesn’t take something fascinating and make it boring. Rather, it helps us see more clearly, adding to the beauty and wonder of the world around us.”", "creator": { "@type": "Person", "name": "Max Tegmark" }, "url": "https://sms4smile.com/quotes/max-tegmark/physics-is-the-ultimate-intellectual-adventure-the-quest-to/", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/19a/max-tegmark-3860_adventure_physics-is-the-ultimate-intellectual-adv_316100.jpg", "contentUrl": "https://sms4smile.com/quotes/i/19a/max-tegmark-3860_adventure_physics-is-the-ultimate-intellectual-adv_316100.jpg", "url": "https://sms4smile.com/quotes/i/19a/max-tegmark-3860_adventure_physics-is-the-ultimate-intellectual-adv_316100.jpg", "width": 1080, "height": 1080, "caption": "“Physics is the ultimate intellectual adventure, the quest to understand the deepest mysteries of our…” — Max Tegmark", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } } } ] }, { "@type": "CollectionPage", "@id": "https://sms4smile.com/quotes/about/theory/max-tegmark/#webpage", "url": "https://sms4smile.com/quotes/about/theory/max-tegmark/", "name": "Theory Quotes by Max Tegmark", "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "mainEntity": { "@id": "https://sms4smile.com/quotes/about/theory/max-tegmark/#itemlist" }, "primaryImageOfPage": { "@id": "https://sms4smile.com/quotes/i/bcb/max-tegmark-3860_100-years_scientific-american-called-100-years-of_2268430.jpg" }, "description": "11 Theory quotes by Max Tegmark. Plus more from Max Tegmark and more Theory sayings from other authors.", "breadcrumb": { "@id": "https://sms4smile.com/quotes/about/theory/max-tegmark/#breadcrumb" } }, { "@type": "BreadcrumbList", "@id": "https://sms4smile.com/quotes/about/theory/max-tegmark/#breadcrumb", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sms4smile.com/" }, { "@type": "ListItem", "position": 2, "name": "Quotes", "item": "https://sms4smile.com/quotes/" }, { "@type": "ListItem", "position": 3, "name": "Topics", "item": "https://sms4smile.com/quotes/categories/" }, { "@type": "ListItem", "position": 4, "name": "Theory", "item": "https://sms4smile.com/quotes/about/theory/" }, { "@type": "ListItem", "position": 5, "name": "Max Tegmark", "item": "https://sms4smile.com/quotes/about/theory/max-tegmark/" } ] }, { "@type": "WebSite", "@id": "https://sms4smile.com/quotes/#website", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "publisher": { "@id": "https://sms4smile.com/quotes/#organization" } }, { "@type": "Organization", "@id": "https://sms4smile.com/quotes/#organization", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "logo": { "@type": "ImageObject", "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png", "width": 512, "height": 512 } } ] } ```