Werner Heisenberg - Mechanics Quotes

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Modern physics has changed nothing in the great classical disciplines of, for instance, mechanics, optics, and heat. Only the conception of hitherto unexplored regions, formed prematurely from a knowledge of only certain parts of the world, has undergone a decisive transformation. This conception, however, is always decisive for the future course of research.

Werner Heisenberg
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.

Werner Heisenberg
The basic idea is to shove all fundamental difficulties onto the neutron and to do quantum mechanics in the nucleus.

Werner Heisenberg
Can quantum mechanics represent the fact that an electron finds itself approximately in a given place and that it moves approximately with a given velocity, and can we make these approximations so close that they do not cause experimental difficulties?

Werner Heisenberg
The basic idea is: shove all fundamental difficulties on to the neutron and practice quantum mechanics inside the nucleus.

Werner Heisenberg
If anything like mechanics were true then one would never understand the existence of atoms. Evidently there exists another [type of mechanics — ] "quantum mechanics."

Werner Heisenberg