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Motto:
Far better an approximate answer to the right question, which is often vague, than an exact answer to the wrong question, which can always be made precise.

Lieber eine angenäherte Antwort auf die richtige Frage, die oft im Ungefähren bleiben muss, als eine scheinbar präzise Antwort auf die falsche Frage.

John W. Tukey, The Future of Data Analysis, 1961