“Adieu, sucky speed-reading critics and reviewers!"Terry Dare, gothic author in Blatty's book "Elsewhere", just before he crosses over.”

“The terror drifted over georgetown like the sun over a blind mans eyes”

“From the cab stepped a tall old man. Black raincoat and hat and a battered valise. He paid the driver, then turned and stood motionless, staring at the house. The cab pulled away and rounded the corner of Thirty-sixty Street. Kinderman quickly pulled out to follow. As he turned the corner, he noticed that the tall old man hadn't moved but was standing under the streetlight glow, in mist, like a melancholy traveler frozen in time.”

“We use concepts like "consciousness"---"mind"---"personality," but we don't really know yet what these things are.' He was shaking his head. 'Not really. Not at all.”

“Henri Bergson thought the principal function of the brain was to filter out most of reality so that we could focus on the tasks of earthly life,” he said. “When the filter is weakened by a powerful drug, what we see is not delusion but the truth.”

“Regan had the physical syndrome of possession. That much he knew. Of that he had no doubt. For in case after case, irrespective of geography or period of history, the symptoms of possession were substantially constant. Some Regan had not evidenced as yet: stigmata; the desire for repugnant foods; the insensitivity to pain; the frequent loud and irrepressible hiccuping. But the others she had manifest clearly: the involuntary motor excitement; foul breath; furred tongue; the wasting away of the frame; the distended stomach; the irritations of the skin and mucous membrane. And most significantly present were the basic symptoms of the hard core of cases which Oesterreich had characterized as genuine possession: the striking change in the voice and the features, plus the manifestation of a new personality.”

“...the exorcist should not believe too readily that a person is possessed by an evil spirit; but he aught to ascertain by the signs by which a person possessed can be distinguished from one who is suffering from some illness; especially one of a psychological nature. Signs of possession may be the following: ability to speak with some facility in a strange language or to understand it when spoken by another; the facility of divulging future and hidden events; display of powers shich are beyond the subject's age and natural condition; and various other conditions which, when taken together as a whole, build up the evidence.”