Quotation of the Day…

by Don Boudreaux on September 9, 2015

in Data, Science

… is from page 196 of Karl Popper’s 1969 paper “A Pluralist Approach to the Philosophy of History,” which is a chapter in the 1969 collection Roads to Freedom: Essays in Honour of Friedrich A. von Hayek (Erich Streissler, Gottfried Haberler, Friedrich A. Lutz, and Fritz Machlup, eds.) (original emphasis):

You cannot start from observation: you have to know first what to observe; that is, you have to start from a problem.  Moreover, there is no such thing as an uninterpreted observation.  All observations are interpreted in light of theories.


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