<Li> In aesthetics and art theory, perfection is ascribed to what is fully harmonious--to what is constructed in accordance with a single principle (e.g., the Parthenon, the Odyssey). </Li> <P> Except for the first, mathematical sense, all these concepts of "perfection" show a kinship and oscillate between ideal and approximation . </P> <P> However, the expression "perfect" is also used colloquially as a superlative ("perfect idiot," "perfect scoundrel," "perfect storm"). Here perfectum is confused with excellens of an approving, admiring or condemnatory kind . </P> <P> Perfection has also been construed as that which is the best . In theology, when Descartes and Leibniz termed God "perfect," they had in mind something other than model; than that which lacks nothing; than that achieves its purpose; than that fulfills its functions; or than that is harmonious . </P>

Where did the idea of perfection come from