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… is from page 5 of George Stigler [2]’s November 1955 Economica paper, “The Nature and Role of Originality in Scientific Progress [3],” as this paper is reprinted in Essays in the History of Economics [4] (George J. Stigler, ed., 1965):
Wares must be shouted – the human mind is not a divining rod that quivers over truth.