Under the step, toward the right, I saw a small irridescent sphere of almost unbearable brightness. At first I thought it was spinning; then I realized that the movement was an illusion produced by the dizzying spectacles inside it. The Aleph was probably two or three centimeters in diameter, but universal space was contained within it, with no diminution in size. Each thing (the glass surface of a mirror, let us say) was infinite things, because I could clearly see it from every point in the cosmos. I saw the populous sea, saw dawn and dusk, saw the multitudes of the Americas, saw a silvery spiderweb at the center of a black pyramid, saw a broken labyrinth (it was London), saw endless eyes, all very close, studying themselves in me as though in a mirror, saw all the mirrors on the planet (and none of them reflecting me), saw in a rear courtyard on Calle Soler the same tiles I'd seen twenty years before in the entryway of a house on Fray Bentos, saw clusters of grapes, snow, tobacco, veins of metal, water vapor, saw convex equatorial deserts and their every grain of sand....