“A final moral concerns terminology. Why did such serious people take so seriously axioms which now seem so arbitrary? I suspect that they were misled by the pernicious misuse of the word ‘measurement’ in contemporary theory. This word very strongly suggests the ascertaining of some preexisting property of some thing, any instrument involved playing a purely passive role. Quantum experiments are just not like that, as we learned especially from Bohr. The results have to be regarded as the joint product of ‘system’ and ‘apparatus,’ the complete experimental set-up.”

— John S. Bell

"On the impossible pilot wave" (1982), included in Speakable and Unspeakable in Quantum Mechanics (1987), p. 166

Adopted from Wikiquote. Last update June 3, 2021. History

Help us to complete the source, original and additional information

Do you have more details about the quote "A final moral concerns terminology. Why did such serious people take so seriously axioms which now seem so arbitrary? I…" by John S. Bell?

John S. Bell 19

Northern Irish physicist 1928–1990

Richard Hofstadter (1916–1970) American historian

Source: Anti-Intellectualism in American Life (1974), p. 30

“In a theory in which parameters are added to quantum mechanics to determine the results of individual measurements, without changing the statistical predictions, there must be a mechanism whereby the setting of one measuring device can influence the reading of another instrument, however remote. Moreover, the signal involved must propagate instantaneously, so that such a theory could not be Lorentz invariant. Of course, the situation is different if the quantum mechanical predictions are of limited validity. Conceivably they might apply only to experiments in which the settings of the instruments are made sufficiently in advance to allow them to reach some mutual rapport by exchange of signals with velocity less than or equal to that of light. In that connection, experiments of the type proposed by Bohm and Aharonov, in which the settings are changed during the flight of the particles, are crucial.”

John S. Bell (1928–1990) Northern Irish physicist

On the Einstein-Podolsky-Rosen paradox (1964)

“This is used by some to state that no additional interpretation prescriptions for quantum mechanics are necessary. Yet we insist that the axioms for any "complete" quantum theory for the entire cosmos would present us with as yet unresolved paradoxes.”

Gerardus 't Hooft (1946) Dutch theoretical physicist and Nobel Prize winner

Context: The usual no-go theorems telling us that hidden variables are irreconcilable with locality, appear to start with fairly conventional pictures of particle systems, detectors, space and time. Usually, it is taken for granted that events at one place in the universe can be described independently from what happens elsewhere. Perhaps one has to search for descriptions where the situation is more complex. Maybe, it needs not be half as complex as superstring theory itself. The conventional Copenhagen interpretation of quantum mechanics suffices to answer all practical questions concerning conventional experiments with quantum mechanics, and the outcome of experiments such as that of Aspect et al can be precisely predicted by conventional quantum mechanics. This is used by some to state that no additional interpretation prescriptions for quantum mechanics are necessary. Yet we insist that the axioms for any "complete" quantum theory for the entire cosmos would present us with as yet unresolved paradoxes.

Obstacles on the Way toward the Quantization of Space, Time and Matter — and possible resolutions — http://www.staff.science.uu.nl/~hooft101/gthpub/foundations.pdf

“My own conclusion is that today there is no interpretation of quantum mechanics that does not have serious flaws. This view is not universally shared. Indeed, many physicists are satisfied with their own interpretation of quantum mechanics. But different physicists are satisfied with different interpretations. In my view, we ought to take seriously the possibility of finding some more satisfactory other theory, to which quantum mechanics is only a good approximation.”

Steven Weinberg (1933) American theoretical physicist

Source: Lectures on Quantum Mechanics (2012, 2nd ed. 2015), Ch. 3: General Principles of Quantum Mechanics

“Soumitra Chattopadhyay is the only person in Tollywood who has the equivalent stature as of Amitabh Bachchan. So, why does Soumitra always have to be a father or uncle or grandfather, or just have work in serious roles or portray depressing characters? What is wrong if Soumitra acts in a role that is different from the usual roles he plays? If Bollywood can do experiments, then what is wrong in experimenting things in Tollywood?”

Arin Paul (1980) Indian film director

Interview on Calcuttatube http://calcuttatube.com/arin-paul-exclusive-interview/1608/ (2009)

“The first charge against 'measurement', in the fundamental axioms of quantum mechanics, is that it anchors there the shifty split of the world into 'system' and 'apparatus'. A second charge is that the word comes loaded with meaning from everyday life, meaning which is entirely inappropriate in the quantum context.”

John S. Bell (1928–1990) Northern Irish physicist

Against 'measurement' (1990)

“We must make, if we can, an enduring peace. That is why I feel so strongly regarding the proposal to hand over two million Germans to the Poles, who are an inferior people so far as concerns the experience and capacity for government. We do not want to create another Alsace-Lorraine.”

David Lloyd George (1863–1945) Former Prime Minister of the United Kingdom

Quoted in Lord Riddell's diary entry (28 March 1919), J. M. McEwen (ed.), The Riddell Diaries 1908-1923 (London: The Athlone Press, 1986), p. 262
Prime Minister

“It's so hard to believe in anything anymore, you know what I mean? It's like, religion, you really can't take it seriously, 'cause it seems so mythological, and seems so arbitrary; and then on the other hand, science is just pure empiricism, and by virtue of its method, it excludes metaphysics. – I guess I wouldn't believe in anything if it weren't for my lucky astrology mood watch.”

Steve Martin (1945) American actor, comedian, musician, author, playwright, and producer

Comedy album A Wild and Crazy Guy

“Some would deny any legitimate use of the word God because it has been misused so much. Certainly it is the most burdened of all human words. Precisely for that reason it is the most imperishable and unavoidable.”

Martin Buber book I and Thou

I and Thou (1923)
Context: Some would deny any legitimate use of the word God because it has been misused so much. Certainly it is the most burdened of all human words. Precisely for that reason it is the most imperishable and unavoidable. And how much weight has all erroneous talk about God's nature and works (although there never has been nor can be any such talk that is not erroneous) compared with the one truth that all men who have addressed God really meant him? For whoever pronounces the word God and really means Thou, addresses, no matter what his delusion, the true Thou of his life that cannot be restricted by any other and to whom he stands in a relationship that includes all others.

“I thought… that the fact that in characterizing truth for a language it is necessary to put words into relations with objects was enough to give some grip for the idea of correspondence; but this now seems to me a mistake. The mistake is in a way only a misnomer, but terminological infelicities have a way of breeding conceptual confusion, and so it is here. Correspondence theories have always been conceived as providing an explanation or analysis of truth, and this, a Tarski-style theory of truth, certainly does not do.”

Donald Davidson (philosopher) (1917–2003) scriitor amator

Donald Davidson (1990, p. 135), as cited in: Simon Evnine (1991) Donald Davidson. p. 137

Help us to complete the source, original and additional information

John S. Bell 19

Related quotes

Related topics