"If black and white blend, soften, and unite A thousand ways, are there no black and white? If the qualities of the sublime and beautiful are sometimes found united, does this prove that they are the same; does it prove that they are... allied; does it prove even that they are not opposite and contradictory? Black and white may soften, may blend, but they are not therefore the same. Nor, when they are softened and blended with each other, or with different colours, is the power of black as black, or of white as white, so strong..."