We're all dreaming,” Arctor said. If the last to know he's an addict is the addict, then maybe the last to know when a man means what he says is the man himself, he reflected. He wondered how much of the garbage that Donna had overheard he had seriously meant. He wondered how much of the insanity of the day--his insanity--had been real, or just induced as a contact lunacy, by the situation. Donna, always, was a pivot point of reality for him; for her this was the basic, natural question. He wished he could answer.
Philip K. Dick, A Scanner Darkly
addict, dreaming, dreams, drugs, insanity, reality