It seems sensible to discard all hope of observing hitherto unobservable quantities, such as the position and period of the electron...Instead it seems more reasonable to try to establish a theoretical quantum mechanics, analogous to classical mechanics, but in which only relations between observable quantities occur.


In Helge Kragh, Quantum Generations: A History of Physics in the Twentieth Century (1999)


It seems sensible to discard all hope of observing hitherto unobservable quantities, such as the position and period of the electron...Instead it...

It seems sensible to discard all hope of observing hitherto unobservable quantities, such as the position and period of the electron...Instead it...

It seems sensible to discard all hope of observing hitherto unobservable quantities, such as the position and period of the electron...Instead it...

It seems sensible to discard all hope of observing hitherto unobservable quantities, such as the position and period of the electron...Instead it...