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Continue to ChatScientific research sooner or later, but inevitably, encounters something ultimately given that it cannot trace back to something else of which it would appear as the regular or necessary derivative. Scientific progress consists in pushing further back this ultimately given. - Ludwig von Mises from https://whatsmyquote.com/quote/scientific-research-sooner-or-later-but-inevitably-encounters-something-ultimately-given-that-it-cannot-trace