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The idea that elimination of coherence, in one way or another, implies the replacement of 'and' by 'or', is a very common one among solvers of the 'measurement problem'. It has always puzzled me.

— John Stewart Bell Against 'measurement (1990)

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More quotes by John Stewart Bell

Theoretical physicists live in a classical world, looking out into a quantum-mechanical world. The latter we describe only subjectively, in terms of procedures and results in our classical domain.

Introduction to the hidden-variable question (1971)

On this list of bad words from good books, the worst of all is 'measurement'.

Against 'measurement (1990)

I am a Quantum Engineer, but on Sundays I Have Principles.

Information? Whose information? Information about what?

Einstein said that it is theory which decides what is 'observable'.

Against 'measurement (1990)

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Quote text and notes from Wikiquote: John Stewart Bell (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.