This power... reveals itself in the balance or reconcilement of opposite or discordant qualities: of sameness, with difference; of the general with the concrete; the idea with the image; the individual with the representative; the sense of novelty and freshness with old and familiar objects; a more than usual state of emotion with more than usual order; judgment ever awake and steady self-possession with enthusiasm and feeling profound or vehement; and while it blends and harmonizes the natural and the artificial, still subordinates art to nature; the manner to the matter; and our admiration of the poet to our sympathy with the poetry.

Ch. XIV - Biographia Literaria (1817)