---
title: "Meaning & Key Takeaway of: M-theory is the unified theory Einstein…"
description: "\"M-theory is the unified theory Einstein was hoping to find.\" — Stephen Hawking"
image: "https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg"
---

#  M-theory is the unified theory Einstein was hoping to find.

![“M-theory is the unified theory Einstein was hoping to find.” quote by Stephen Hawking](https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg)   [Download](https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg) [Open image](https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg)

> “M-theory is the unified theory Einstein was hoping to find.”

[Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

M‑theory aims to unify all fundamental forces into a single framework, fulfilling Einstein’s quest for a final theory.

**In simple terms:** M‑theory tries to combine all physics into one.

Key Takeaway

Explore the implications of a unified physics.

Themes

unification physics theory Einstein M‑theory

Mood

inquisitive hopeful

Type

scientific philosophical

When to use this quote

- research
- education
- public outreach

Key Concepts

quantum gravity string theory dimensionality

Questions to Reflect On

- What would a unified theory change for technology?
- How can we test M‑theory?

A Different Perspective

Complexity may limit testability.

★ ★ ★ ★ ★   No ratings yet

[Einstein](https://sms4smile.com/quotes/about/einstein/) [Einstein Hoping](https://sms4smile.com/quotes/about/einstein-hoping-1897757/) [Find](https://sms4smile.com/quotes/about/find/) [Hoping](https://sms4smile.com/quotes/about/hoping/) [Theory](https://sms4smile.com/quotes/about/theory/) [Theory Einstein](https://sms4smile.com/quotes/about/theory-einstein-1191384/) [Theory Unified](https://sms4smile.com/quotes/about/theory-unified-1897758/) [Unified](https://sms4smile.com/quotes/about/unified/) [Unified Theory](https://sms4smile.com/quotes/about/unified-theory-725484/)

## Related quotes

> [I would say in one sentence my goal is to at least be part of the journey to find the unified theory that Einstein…](https://sms4smile.com/quotes/brian-greene/i-would-say-in-one-sentence-my-goal-is-to-at-least-be-part-of-the-2/)

[Brian Greene](https://sms4smile.com/quotes/author/brian-greene/)

> [I would say in one sentence my goal is to at least be part of the journey to find the unified theory that Einstein…](https://sms4smile.com/quotes/brian-greene/i-would-say-in-one-sentence-my-goal-is-to-at-least-be-part-of-the/)

[Brian Greene](https://sms4smile.com/quotes/author/brian-greene/)

> [“I believe that the Big-Bang Theory and the Evolution Theory, as well as Einstein’s Special Relativity Theory which does not allow for the existence…](https://sms4smile.com/quotes/dr-takaaki-musha/i-believe-that-the-big-bang-theory-and-the-evolution-theory-as-well/)

[Dr. Takaaki Musha](https://sms4smile.com/quotes/author/dr-takaaki-musha/)

> [Physicists have come up with other explanations. One is to say that these six constants are not free to vary. Some unified theory will…](https://sms4smile.com/quotes/richard-dawkins/physicists-have-come-up-with-other-explanations-one-is-to-say-that/)

[Richard Dawkins](https://sms4smile.com/quotes/author/richard-dawkins/)

> [We're going to need a definitive quantum theory of gravity, which is part of a grand unified theory - it's the main missing piece.](https://sms4smile.com/quotes/kip-thorne/we-re-going-to-need-a-definitive-quantum-theory-of-gravity-which-is/)

[Kip Thorne](https://sms4smile.com/quotes/author/kip-thorne/)

> [I had two passions when I was a child. First was to learn about Einstein's theory and help to complete his dream of a…](https://sms4smile.com/quotes/michio-kaku/i-had-two-passions-when-i-was-a-child-first-was-to-learn-about/)

[Michio Kaku](https://sms4smile.com/quotes/author/michio-kaku/)

> [Verbal and nonverbal activity is a unified whole, and theory and methodology should be organized or created to treat it as such.](https://sms4smile.com/quotes/anonymous/verbal-and-nonverbal-activity-is-a-unified-whole-and-theory-and/)

[Anonymous](https://sms4smile.com/quotes/author/anonymous/)

> [A unified theory would put us at the doorstep of a vast universe of things that we could finally explore with precision.](https://sms4smile.com/quotes/brian-greene/a-unified-theory-would-put-us-at-the-doorstep-of-a-vast-universe-of/)

[Brian Greene](https://sms4smile.com/quotes/author/brian-greene/)

> [Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire…](https://sms4smile.com/quotes/stephen-hawking/even-if-there-is-only-one-possible-unified-theory-it-is-just-a-set-of-2/)

[Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/)

> [“Yet if there really were a complete unified theory, it would also presumably determine our actions—so the theory itself would determine the outcome of…](https://sms4smile.com/quotes/stephen-hawking/yet-if-there-really-were-a-complete-unified-theory-it-would-also/)

[Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/)

> [If there really is a complete unified theory that governs everything, it presumably also determines your actions. But it does so in a way…](https://sms4smile.com/quotes/stephen-hawking/if-there-really-is-a-complete-unified-theory-that-governs-everything/)

[Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/)

> [“Now, if you believe that the universe is not arbitrary, but is governed by definite laws, you ultimately have to combine the partial theories…](https://sms4smile.com/quotes/stephen-hawking/now-if-you-believe-that-the-universe-is-not-arbitrary-but-is-governed/)

[Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/)

> [“Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire…](https://sms4smile.com/quotes/stephen-hawking/even-if-there-is-only-one-possible-unified-theory-it-is-just-a-set-of/)

[Stephen Hawking](https://sms4smile.com/quotes/author/stephen-hawking/)

> [“When the conventional wisdom of physics seemed to conflict with an elegant theory of his, Einstein was inclined to question that wisdom rather than…](https://sms4smile.com/quotes/walter-isaacson/when-the-conventional-wisdom-of-physics-seemed-to-conflict-with-an/)

[Walter Isaacson](https://sms4smile.com/quotes/author/walter-isaacson/)

> [“Now, at the outset of the twenty-first century, we stand on the verge of a new revolution. The search for a deeper theory than…](https://sms4smile.com/quotes/marcus-chown/now-at-the-outset-of-the-twenty-first-century-we-stand-on-the-verge/)

[Marcus Chown](https://sms4smile.com/quotes/author/marcus-chown/)

## 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/)

[Explore all 601 Stephen Hawking quotes ](https://sms4smile.com/quotes/author/stephen-hawking/)

## More Einstein quotes

> [Even Einstein had to rely for his time on his clock.](https://sms4smile.com/quotes/stanislaw-jerzy-lec/even-einstein-had-to-rely-for-his-time-on-his-clock/)

[Stanislaw Jerzy Lec](https://sms4smile.com/quotes/author/stanislaw-jerzy-lec/)

> [“The generalized theory of relativity has furnished still more remarkable results. This considers not only uniform but also accelerated motion. In particular, it is…](https://sms4smile.com/quotes/a-a-michelson/the-generalized-theory-of-relativity-has-furnished-still-more/)

[A.A. Michelson](https://sms4smile.com/quotes/author/a-a-michelson/)

> [“Eddie saw great things and near misses. Albert Einstein as a child, not quite struck by a run-away milk-wagon as he crossed a street.…](https://sms4smile.com/quotes/stephen-king/eddie-saw-great-things-and-near-misses-albert-einstein-as-a-child-not/)

[Stephen King](https://sms4smile.com/quotes/author/stephen-king/)

> [If I could have anyone's mind for a day, I really can't think of anyone other than Einstein.](https://sms4smile.com/quotes/bellamy-young/if-i-could-have-anyone-s-mind-for-a-day-i-really-can-t-think-of/)

[Bellamy Young](https://sms4smile.com/quotes/author/bellamy-young/)

> [“La vie c’est comme la bicyclette : quand on arrête de pédaler on tombe.”](https://sms4smile.com/quotes/albert-einstein/la-vie-c-est-comme-la-bicyclette-quand-on-arr-te-de-p-daler-on-tombe/)

[Albert Einstein](https://sms4smile.com/quotes/author/albert-einstein/)

> [“A human being,’ said Einstein, ‘is part of the whole, which we call the Universe; a part limited in time and space. He experiences…](https://sms4smile.com/quotes/simon-parke/a-human-being-said-einstein-is-part-of-the-whole-which-we-call-the/)

[Simon Parke](https://sms4smile.com/quotes/author/simon-parke/)

> [He has a brain like Einstein's - dead since 1955](https://sms4smile.com/quotes/gene-perret/he-has-a-brain-like-einstein-s-dead-since-1955/)

[Gene Perret](https://sms4smile.com/quotes/author/gene-perret/)

> [In my downtime, you'll mostly find me curled up with a book. I love reading biographies. My favourites are those of Dalai Lama, Osama…](https://sms4smile.com/quotes/madhur-bhandarkar/in-my-downtime-you-ll-mostly-find-me-curled-up-with-a-book-i-love/)

[Madhur Bhandarkar](https://sms4smile.com/quotes/author/madhur-bhandarkar/)

> [“I thought of Einstein, and his insistence that no particular point of view was more privileged than any other: in other words his ‘general…](https://sms4smile.com/quotes/robert-charles-wilson/i-thought-of-einstein-and-his-insistence-that-no-particular-point-of/)

[Robert Charles Wilson](https://sms4smile.com/quotes/author/robert-charles-wilson/)

> [“Einstein is one of our robots who controls the substitution division, we had to develop a robotic scientist as the tasks required were beyond…](https://sms4smile.com/quotes/jill-thrussell/einstein-is-one-of-our-robots-who-controls-the-substitution-division/)

[Jill Thrussell](https://sms4smile.com/quotes/author/jill-thrussell/)

> [Bob Dylan has and Einstein had their own way of perceiving the universe and translating it for us.](https://sms4smile.com/quotes/johnny-flynn/bob-dylan-has-and-einstein-had-their-own-way-of-perceiving-the/)

[Johnny Flynn](https://sms4smile.com/quotes/author/johnny-flynn/)

> [Was Einstein's theory good? Relatively.](https://sms4smile.com/quotes/bo-burnham/was-einstein-s-theory-good-relatively/)

[Bo Burnham](https://sms4smile.com/quotes/author/bo-burnham/)

> [“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/)

> [I am even grateful to Einstein and others because through their erroneous theories they lead mankind away from that dangerous path I followed.](https://sms4smile.com/quotes/nikola-tesla/i-am-even-grateful-to-einstein-and-others-because-through-their/)

[Nikola Tesla](https://sms4smile.com/quotes/author/nikola-tesla/)

> [“Imagination is more important than knowledge”, with due respect to Mr. Einstein, I beg to differ! “Imagination is not possible without knowledge.”](https://sms4smile.com/quotes/i-are/imagination-is-more-important-than-knowledge-with-due-respect-to-mr/)

[I are](https://sms4smile.com/quotes/author/i-are/)

[Browse all 425 Einstein quotes ](https://sms4smile.com/quotes/about/einstein/)

```json
{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Quotation",
            "text": "M-theory is the unified theory Einstein was hoping to find.",
            "creator": {
                "@type": "Person",
                "name": "Stephen Hawking"
            },
            "isPartOf": {
                "@id": "https://sms4smile.com/quotes/#website"
            },
            "url": "https://sms4smile.com/quotes/stephen-hawking/m-theory-is-the-unified-theory-einstein-was-hoping-to-find/",
            "about": {
                "@type": "Thing",
                "name": "Einstein"
            },
            "@id": "https://sms4smile.com/quotes/stephen-hawking/m-theory-is-the-unified-theory-einstein-was-hoping-to-find/#quotation",
            "image": {
                "@type": "ImageObject",
                "@id": "https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg",
                "contentUrl": "https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg",
                "url": "https://sms4smile.com/quotes/i/e8c/stephen-hawking-389_einstein_m-theory-is-the-unified-theory-einstein_2595528.jpg",
                "width": 1080,
                "height": 1080,
                "caption": "“M-theory is the unified theory Einstein was hoping to find.” — Stephen Hawking",
                "creditText": "SMS4Smile Quotes",
                "creator": {
                    "@id": "https://sms4smile.com/quotes/#organization"
                }
            }
        },
        {
            "@type": "BreadcrumbList",
            "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": "Stephen Hawking",
                    "item": "https://sms4smile.com/quotes/author/stephen-hawking/"
                },
                {
                    "@type": "ListItem",
                    "position": 4,
                    "name": "M-theory is the unified theory Einstein...",
                    "item": "https://sms4smile.com/quotes/stephen-hawking/m-theory-is-the-unified-theory-einstein-was-hoping-to-find/"
                }
            ],
            "@id": "https://sms4smile.com/quotes/stephen-hawking/m-theory-is-the-unified-theory-einstein-was-hoping-to-find/#breadcrumb"
        },
        {
            "@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
            }
        }
    ]
}
```
