From the Bookshelf of Third Place Books: Booze & Lasers…

"If he told me under hypnosis to dream that there was a pink dog in the room, I'd do it; but the dog couldn't be there so long as pink dogs aren't in the order of nature, aren't part of reality. What would happen is, either I'd get a white poodle dyed pink, and some plausible reason for its being there, or,

"If he told me under hypnosis to dream that there was a pink dog in the room, I'd do it; but the dog couldn't be there so long as pink dogs aren't in the order of nature, aren't part of reality. What would happen is, either I'd get a white poodle dyed pink, and some plausible reason for its being there, or, if he insisted that it be genuine pink dog, then my dream would have to change the order of nature to include pink dogs. Everywhere. Since the Pleistocene or whenever dogs first appeared. There would always have come black, brown, yellow, white, and pink. And one of the pink ones would have wandered in from the hall. [...] Nothing miraculous. Nothing unnatural. Each dream covers its tracks completely. There would just be a normal everyday pink dog there when I woke up."