"The incomplete knowledge of a system must be……" — Werner Heisenberg
"The incomplete knowledge of a system must be an essential part of every formulation in quantum theory. Quantum theoretical laws must be of a statistical kind. To give an example: we know that the radium atom emits alpha-radiation. Quantum theory can give us an indication of the probability that the alpha-particle will leave the nucleus in unit time, but it cannot predict at what precise point in time the emission will occur, for this is uncertain in principle."
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Werner Heisenberg
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48 Quotes by Werner Heisenberg
Werner Heisenberg has 48 quotes on this site.
A few more worth reading:
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Whether we electrons, light quanta, benzol molecules, or stones, we shall always come up against these two characteristics, the corpuscular…
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It seems sensible to discard all hope of observing hitherto unobservable quantities, such as the position and period of the…
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What we observe is not nature itself but nature exposed to our method of questioning. Our scientific work in physics…
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...separation of the observer from the phenomenon to be observed is no longer possible.
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It was about three o'clock at night when the final result of the calculation [which gave birth to quantum mechanics]…
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There is a fundamental error in separating the parts from the whole, the mistake of atomizing what should not be…
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Modern physics has changed nothing in the great classical disciplines of, for instance, mechanics, optics, and heat. Only the conception…
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The conception of objective reality ... has thus evaporated ... into the transparent clarity of mathematics that represents no longer…
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Science no longer is in the position of observer of nature, but rather recognizes itself as part of the interplay…
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You may object that by speaking of simplicity and beauty I am introducing aesthetic criteria of truth, and I frankly…
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I think that the discovery of antimatter was perhaps the biggest jump of all the big jumps in physics in…
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Nature is made in such a way as to be able to be understood. Or perhaps I should put it-more…
See all 48 quotes by Werner Heisenberg »
More Alpha Quotes
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