Quantum Mechanics Quotes

Quotes tagged as "quantum-mechanics" (showing 1-30 of 88)
Werner Heisenberg
“I remember discussions with Bohr which went through many hours till very late at night and ended almost in despair; and when at the end of the discussion I went alone for a walk in the neighbouring park I repeated to myself again and again the question: Can nature possibly be so absurd as it seemed to us in these atomic experiments?”
Werner Heisenberg

Werner Heisenberg
“Quantum theory provides us with a striking illustration of the fact that we can fully understand a connection though we can only speak of it in images and parables.”
Werner Heisenberg

“Einstein said that if quantum mechanics were correct then the world would be crazy. Einstein was right - the world is crazy.”
Daniel M. Greenberger

Niels Bohr
“The very nature of the quantum theory ... forces us to regard the space-time coordination and the claim of causality, the union of which characterizes the classical theories, as complementary but exclusive features of the description, symbolizing the idealization of observation and description, respectively.”
Niels Bohr

John Gribbin
“In the world of the very small, where particle and wave aspects of reality are equally significant, things do not behave in any way that we can understand from our experience of the everyday world...all pictures are false, and there is no physical analogy we can make to understand what goes on inside atoms. Atoms behave like atoms, nothing else.”
John Gribbin, In Search of Schrödinger's Cat: Quantum Physics and Reality

Werner Heisenberg
“[T]he atoms or elementary particles themselves are not real; they form a world of potentialities or possibilities rather than one of things or facts.”
Werner Heisenberg

Vanna Bonta
“Which came first — the observer or the particle?”
Vanna Bonta, Flight: A Quantum Fiction Novel

Brian Greene
“...quantum mechanics—the physics of our world—requires that you hold such pedestrian complaints in abeyance.”
Brian Greene, The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory

“There was a young lady named Bright,
Whose speed was far faster than light;
She started one day
In a relative way,
And returned on the previous night.”
Arthur Henry Reginald Buller

Paul A.M. Dirac
“When you ask what are electrons and protons I ought to answer that this question is not a profitable one to ask and does not really have a meaning. The important thing about electrons and protons is not what they are but how they behave, how they move. I can describe the situation by comparing it to the game of chess. In chess, we have various chessmen, kings, knights, pawns and so on. If you ask what chessman is, the answer would be that it is a piece of wood, or a piece of ivory, or perhaps just a sign written on paper, or anything whatever. It does not matter. Each chessman has a characteristic way of moving and this is all that matters about it. The whole game os chess follows from this way of moving the various chessmen.”
Paul A.M. Dirac

Amit Ray
“Beyond the corridor of our space-time there are infinite numbers of universes, each of them is governed by its own set of laws and physics.”
Amit Ray, Enlightenment Step by Step

Bill Gaede
“A mathematician says that an electromagnetic wave travels from Andromeda to your eye and that it also extends from Andromeda to your eye.”
Bill Gaede

Lawrence M. Krauss
“At the heart of quantum mechanics is a rule that sometimes governs politicians or CEOs - as long as no one is watching, anything goes.”
Lawrence M. Krauss

Louis de Broglie
“Many scientists have tried to make determinism and complementarity the basis of conclusions that seem to me weak and dangerous; for instance, they have used Heisenberg's uncertainty principle to bolster up human free will, though his principle, which applies exclusively to the behavior of electrons and is the direct result of microphysical measurement techniques, has nothing to do with human freedom of choice. It is far safer and wiser that the physicist remain on the solid ground of theoretical physics itself and eschew the shifting sands of philosophic extrapolations.”
Louis de Broglie, Nouvelles perspectives en microphysique

Christophe Galfard
“The very small quantum world, it seems, is a mixture of possibilities. The quantum fields to which all particles belong are the sum of these possibilities and, somehow, one possibility is chosen out of all the existing ones just by seeing it, just by the very act of detecting it, whenever one tries to probe a particle's nature. Nobody knows why or how this happens.”
Christophe Galfard, The Universe in Your Hand: A Journey Through Space, Time, and Beyond

Bill Gaede
“A mathematician is an individual who proves his beliefs with equations.”
Bill Gaede, Why God Doesn't Exist

Abhijit Naskar
“Quantum Mechanics can indeed be extremely complex to grasp, but when we talk about Consciousness, with decades of rigorous studies on the human brain we have realized that actually, there is no other phenomenon in the entire universe that is simpler than the majestic phenomenon of Consciousness.
'If you think you have a solution to the problem of consciousness, you haven’t understood the problem.' This age-old metaphysical and philosophical argument is strictly not true. If you are sufficiently clear-sighted enough, you can realize the problem itself was a matter of the past when we didn’t have insight into the neurological basis of consciousness. And today it is common knowledge in Neuroscience that, all mesmerizing features of the Human Mind, including the glorious Human Consciousness, are born from the tiny specks of jelly inside your head.”
Abhijit Naskar, What is Mind?

Michio Kaku
“The mind reels when we realize that, according to this interpretation of quantum mechanics, all possible worlds coexist with us. Although wormholes might be necessary to reach such alternate worlds, these quantum realities exist in the very same room that we live in. They coexist with us wherever we go.”
Michio Kaku, Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos

Christophe Galfard
“Mankind has uncovered two extremely efficient theories: one that describes our universe's structure (Einstein's gravity: the theory of general relativity), and one that describes everything our universe contains (quantum field theory), and these two theories won't talk to each other.”
Christophe Galfard, The Universe in Your Hand: A Journey Through Space, Time, and Beyond

Sean Carroll
“Where misunderstanding dwells, misuse will not be far behind. No theory in the history of science has been more misused and abused by cranks and charlatans—and misunderstood by people struggling in good faith with difficult ideas—than quantum mechanics.”
Sean Carroll, The Big Picture: On the Origins of Life, Meaning, and the Universe Itself

John Gribbin
“If the business of physics is ever finished, the world will be a much less interesting place in which to live . . .”
John Gribbin, In Search of Schrödinger's Cat: Quantum Physics and Reality

“The strength of the familiar electromagnetic force between two electrons, for example, is expressed in physics in terms of a constant known as the fine structure constant. The value of this constant, almost exactly 1/137, has puzzled many generations of physicists. A joke made about the famous English physicist Paul Dirac (1902-1984), one of the founders of quantum mechanics, says that upon arrival to heaven he was allowed to ask God one question. His question was: "Why 1/137?”
Mario Livio, The Golden Ratio: The Story of Phi, the World's Most Astonishing Number

David J. Griffiths
“Calculate the fine structure constant from first principles.”
David J. Griffiths, Introduction to Quantum Mechanics

G.H. Hardy
“I spoke of the 'real' mathematics of Fermat and other great mathematicians, the mathematics which has permanent aesthetic value, as for example the best Greek mathematics has, the mathematics which is eternal because the best of it may, like the best literature, continue to cause intense emotional satisfaction to thousands of people after thousands of years. These men were all primarily pure mathematicians; but I was not thinking only of pure mathematics. I count Maxwell and Einstein, Eddington and Dirac, among 'real' mathematicians. The great modern achievements of applied mathematics have been in relativity and quantum mechanics, and these subjects are, at present at any rate, almost as 'useless' as the theory of numbers. It is the dull and elementary parts of applied mathematics, as it is the dull and elementary parts of pure mathematics, that work for good or ill.”
G.H. Hardy, A Mathematician's Apology

Roshan Sharma
“When you look at the external reality, you may assume you know everything, but when you close your eyes and try to look into the darkness of your internal reality, all the knowledge of the external life fails to create a way out of the darkness.”
Roshan Sharma

“We are not talking about waves or particles, what we are talking about is a quantum of action in a field. This thing we call a particle is a quantum of action that becomes more focused by a process we have not described and this thing we call a wave is the potential in the field. How can a wave be quantized? The wave is a precise ratio of potential.”
Rick Delmonico, The Philosophy of Fractals

John Gribbin
“Heisenberg's uncertainty relation measures the amount by which the complementary descriptions of the electron, or other fundamental entities, overlap. Position is very much a particle property - particles can be located precisely. Waves, on the other hand, have no precise location, but they do have momentum. The more you know about the wave aspect of reality, the less you know about the particle, and vice versa. Experiments designed to detect particles always detect particles; experiments designed to detect waves always detect waves. No experiment shows the electron behaving like a wave and a particle at the same time.”
John Gribbin, In Search of Schrödinger's Cat: Quantum Physics and Reality

Albert Einstein
“The [quantum] theory reminds me a little of the system of delusions of an exceedingly intelligent paranoiac.”
Albert Einstein

Russell Anthony Gibbs
“Based upon quantum mechanics, our physical reality should not be solid. Most likely our physical reality is an elaborate illusion within our own consciousness and the collective consciousness of the Universe/God.”
Russell Anthony Gibbs, The Principle of Oneness: A Practical Guide to Experiencing the Profound Unity of Everything

Eli Of Kittim
“The ultimate aim of reality is to become science fiction!”
Eli Of Kittim, The Little Book of Revelation: The First Coming of Jesus at the End of Days

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