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Letter "W" » Werner Karl Heisenberg Quotes
«An expert is someone who knows some of the worst mistakes that can be made in his subject, and how to avoid them»
«What we observe is not nature itself, but nature exposed to our method of questioning.»
«Even for the physicist the description in plain language will be a criterion of the degree of understanding that has been reached.»
«There are things that are so serious that you can only joke about them.»

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