… modernity is always citing primal history…. Ambiguity is the appearance of dialectic in images, the law of dialectics at a standstill. This standstill is utopia and the dialectical image, therefore, dream image. Such an image is afforded by the commodity per se: as fetish. Such an image is presented by the arcades, which are house no less than street. Such an image is the prostitute — seller and sold in one.

Walter Benjamin, “Paris, the Capital of the Nineteenth Century” in The Writer of Modern Life: Essays on Charles Baudelaire (Cambridge, MA: Belknap, 2006), p. 41.