The Expression is adequate, when it is proportionably low to the Profundity of the Thought. It must not be always Grammatical, lest it appear pedantic and ungentlemanly; not too clear, for fear it become vulgar; for Obscurity bestows a Cast of the Wonderful, and throws an oracular dignity upon a Piece which has no meaning.

Alexander Pope: Peri Bathous or, the Art of Sinking in Poetry (1728)