"The latest and most successful creation of theoretical physics, namely Quantum Mechanics, is fundamentally different in its principles from the two programmes which we will briefly call Newton's and Maxwell's. For the quantities that appear in its laws make no claim to describe Physical Reality itself, but only the probabilities for the appearances of a particular physical reality on which our attention is fixed. Dirac, to whom, in my opinion, we owe the most logically perfect presentation of this theory, rightly points out that it appears, for example, to be by no means easy to give a theoretical description of a photon that shall contain within it the reasons that determine whether or not the photon will pass a polarizator set obliquely in its path."
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University of Cambridge facultyAgnosticsEngineers from EnglandMathematicians from EnglandPhysicists from England
Original Language: English
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Albert Einstein, in James Clerk Maxwell (1931), p. 72-73
https://en.wikiquote.org/wiki/Paul_Dirac
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