None of this, at first, made any sense to Kuhn; Aristotle’s claims seemed so obscure as to be unintelligible. Then he looked out the window and everything, as he said, “fell into place.” He achieved the ability to see the world as Aristotle did, to operate with Aristotelian principles for explaining the world—principles that were so strange as to be almost Atlantean. “Now I could understand why [Aristotle] had said what he’d said.” That experience inspired Kuhn’s conception of scientific progress as a series of leaps from framework to framework, with each such “paradigm shift” bringing a new
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