The quotations of

Werner Heisenberg

German theoretical physicist and nobel prize winner

1901–1976

8 quotes, most often on Science, Nature and Knowledge.

The more precise the measurement of position, the more imprecise the measurement of momentum, and vice versa.
Initial statement of the Uncertainty principle in “Über den anschaulichen Inhalt der quantentheoretischen Kinematik und Mechanik” in Zeitschrift für Physik, 43 (1927)
- Science
An expert is someone who knows some of the worst mistakes that can be made in his subject, and how to avoid them.
Der Teil und das Ganze. Gespräche im Umkreis der Atomphysik (1969)
- Knowledge
Whenever we proceed from the known into the unknown we may hope to understand, but we may have to learn at the same time a new meaning of the word “understanding.”
Physics and Philosophy (1958)
- Knowledge
Natural science does not simply describe and explain nature; it is a part of the interplay between nature and ourselves; it describes nature as exposed to our method of questioning.
Physics and Philosophy (1958)
- Nature
- Science
Light and matter are both single entities, and the apparent duality arises in the limitations of our language.
“Introductory” in The Physical Principles of the Quantum Theory (1930) as translated by Carl Eckhart and Frank C. Hoyt, p. 10
- Science
Can nature possibly be so absurd as it seemed to us in these atomic experiments?
Physics and Philosophy (1958)
- Nature
- Science
We have to remember that what we observe is not nature herself, but nature exposed to our method of questioning.
Physics and Philosophy (1958)
- Nature
- Science
The existing scientific concepts cover always only a very limited part of reality, and the other part that has not yet been understood is infinite.
Physics and Philosophy (1958)
- Knowledge
- Science

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