The possibility of saying anything about a thing rests on the assumption that it preserves its identity, or continues to be the same thing in the respect described, that it will behave in future situations as it has in past.

About Frank Knight

Frank Hyneman Knightwas an American economist who spent most of his career at the University of Chicago, where he became one of the founders of the Chicago School.
Nobel laureates Milton Friedman, George Stigler and James M. Buchanan were all students of Knight at Chicago.

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