“There you have, then, a theoretical physics which is neither the theory of a believer nor that of a nonbeliever, but merely and simply a theory of a physicist; admirably suited to classify the laws studied by the experimenter, it is incapable of opposing any assertion whatever of metaphysics or of religious dogma, and is equally incapable of lending effective support to any such assertion.”

— Pierre Duhem

Notice sur les Titres et Travaux scientifiques de Pierre Duhem rédigée par lui-même lors de sa candidature à l'Académie des sciences (mai 1913), The Aim and Structure of Physical Theory (1906)

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Pierre Duhem 8

French physicist, historian of science 1861–1916

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“The first question we should face is: What is the aim of a physical theory? To this question diverse answers have been made, but all of them may be reduced to two main principles:
"A physical theory," certain logicians have replied, "has for its object the explanation of a group of laws experimentally established."
"A physical theory," other thinkers have said, "is an abstract system whose aim is to summarize and classify logically a group of experimental laws without claiming to explain these laws…
Now these two questions — Does there exist a material reality distinct from sensible appearances? and What is the nature of reality? — do not have their source in experimental method, which is acquainted only with sensible appearances and can discover nothing beyond them. The resolution of these questions transcends the methods used by physics; it is the object of metaphysics.
Therefore, if the aim of physical theories is to explain experimental laws, theoretical physics is not an autonomous science; it is subordinate to metaphysics…
Now, to make physical theories depend on metaphysics is surely not the way to let them enjoy the privilege of universal consent.”

Pierre Duhem (1861–1916) French physicist, historian of science

Notice sur les Titres et Travaux scientifiques de Pierre Duhem rédigée par lui-même lors de sa candidature à l'Académie des sciences (mai 1913), The Aim and Structure of Physical Theory (1906)

“The reader may ask why in this book string theory and supersymmetry have not been discussed. … The fact is that this book is about physics and this implies that the theoretical ideas discussed must be supported by experimental facts. Neither supersymmetry and string theory satisfy this criterion. They are figments of the theoretical mind.”

Martinus J. G. Veltman (1931) Dutch physicist

[Martinus Veltman, Facts and mysteries in elementary particle physics, World Scientific, 2003, 981238149X, 308, https://books.google.com/books?id=CNCHDIobj0IC&pg=PA308]

“Therefore psychologically we must keep all the theories in our heads, and every theoretical physicist who is any good knows six or seven different theoretical representations for exactly the same physics.”

Richard Feynman book The Character of Physical Law

Source: The Character of Physical Law (1965), chapter 7, “Seeking New Laws,” p. 168

“A theory, is a body of knowledge, that is supportive of, and explanative of facts. Scientific laws are included within a theory, facts are included within a theory, that's why you have the theory of evolution, the theory of gravity, the theory of relativity. There is no concept in creationism, which meets any of the qualifications of a scientific theory, none. You have no facts, you have no laws, you have no evidence, you have no explanative power. All you have, is whatever science can't explain, you pretend you can.”

Aron Ra (1962) Aron Ra is an atheist activist and the host of the Ra-Men Podcast

Youtube, Other, Reason Rally Ra Rant https://www.youtube.com/watch?v=isrST6wOUJA (March 28, 2012)

“Every time people cite a principle of theoretical physics in support of a metaphysical doctrine or physical dogma, they commit a mistake, for they attribute to this principle a meaning not its own, an import not belonging to it.”

Pierre Duhem (1861–1916) French physicist, historian of science

Notice sur les Titres et Travaux scientifiques de Pierre Duhem rédigée par lui-même lors de sa candidature à l'Académie des sciences (mai 1913), The Aim and Structure of Physical Theory (1906)

“So with all due acknowledgement to the fact that physical theory is at all times relative, in that it depends on certain basic assumptions, we may, or so I believe, assert that physical theory in its present stage strongly suggests the indestructibility of Mind by Time.”

Erwin Schrödinger (1887–1961) Austrian physicist

Mind and Matter (1958)
Context: To my view the ‘statistical theory of time’ has an even stronger bearing on the philosophy of time than the theory of relativity. The latter, however revolutionary, leaves untouched the undirectional flow of time, which it presupposes, while the statistical theory constructs it from the order of events. This means a liberation from the tyranny of old Chronos. What we in our minds construct ourselves cannot, so I feel, have dictatorial power over our mind, neither the power of bringing it to the fore nor the power of annihilating it. But some of you, I am sure, will call this mysticism. So with all due acknowledgement to the fact that physical theory is at all times relative, in that it depends on certain basic assumptions, we may, or so I believe, assert that physical theory in its present stage strongly suggests the indestructibility of Mind by Time.

“I decided to get Ph. D. in experimental physics because experimental physicists have their own room in the Institute where they can hang their coat, whereas theoretical physicists have to hang their coat at the entrance.”

George Gamow (1904–1968) Russian-American physicist and science writer

"Interview with George Gamow" http://www.aip.org/history/ohilist/4325.html, by Charles Weiner at Professor Gamow's home in Boulder, Colorado (25 April 1968)

“Our psychology is … a science of mere phenomena without any metaphysical implications. [It] Treats all metaphysical claims and assertions as mental phenomena, and regards them as statements about the mind and its structure.”

C.G. Jung (1875–1961) Swiss psychiatrist and psychotherapist who founded analytical psychology

Psychology and Religion: West and East (1958), p. 476, as cited in Psychotherapy East and West (1961), p. 14

“(…) Theories are neither right nor wrong. They are attempts at explaining the inexplicable. It is not the theory that matters, but the way it is being tested. (…) Experiment with any theory you like – if you are truly earnest and honest, the attainment of reality will be yours. (…) It is the earnestness that liberates and not the theory.”

Nisargadatta Maharaj (1897–1981) Indian guru

Liberation
Source: I am That, P.118-9.

“Relativity is a simple concept. It asserts that the fundamental laws of physics are the same whatever your state of motion.”

Walter Isaacson book Einstein: His Life and Universe

Source: Book Einstein: His Life and Universe

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