Victor Pelevin said this quote

In itself a wall on which a panoramic view of a non-existent world is drawn does not change. But for a great deal of money you can buy a view from the window with a painted sun, a sky-blue bay and a calm evening. Unfortunately the author of this fragment will again be Ed—but even this is not important, because the very window the view is bought for is also only drawn in. Then perhaps the wall on which it is drawn is a drawing too? But drawn by whom and on what?He raised his eyes to the wall of the toilet as though in hopes of an answer there. Traced on the tiles in red felt-tip pen were the jolly, rounded letters of a brief slogan: Trapped? Masturbate!