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An epithet or metaphor drawn from nature ennobles art; an epithet or metaphor drawn from art degrades nature.

Samuel Johnson (1810). “The Works of the English Poets, from Chaucer to Cowper: Including the Series Edited with Prefaces, Biographical and Critical”, p.141
An epithet or metaphor drawn from nature ennobles art; an epithet or metaphor drawn from art degrades nature.