The Exorcist Movie Analysis

''The power of Christ compels you! The power of Christ compels you! The power of Christ compels you!!! ...'' Father Merrin&Father Damien Karras from the movie -The Exorcist- This quote had been said like 10 times in quick succession in the movie ''The Exorcist'' and may have the right to be the most influental and memorable quote of the movie. Of course in order to underline the variety of ''exorcism'', the director of the film William Friedkin had to feature this quote out, which is actually a quote from Bible. But not only this one but also the other quotes -especially the obscene ones- have right to be the most memorable quotes from the best horror movie in 70s, ''The Exorcist''. But why do people think it's the best horror movie in that time and maybe in todays cinema? What makes it so popular? The scary scenes? The talent of the actors? The special effects (which some of them can be considered ''funny'' in nowadays horror movie technology) ? Or is it just the idea of exorcism,demons, etc.?
Plot: ''A movie actress taking up temporary residence in Washington D.C. has her troubles. The script for the movie she's filming seems inadequate. Her ex, who is also the father of her adolescent daughter, Regan, neglects to call the girl on her birthday. And the attic has rats. Meanwhile, Father Karras, a priest and a psychiatrist, is losing his faith; and he's dealing with a sick mother who needs medical care he hasn't the money to provide. Another priest, the old and ailing Father Merrin, has just returned from Iraq with forebodings of evil. These three persons meet when the sweet and cheerful Regan turns foul-mouthed and violent. But her sickness is beyond the reach of a medical doctor or a psychiatrist. What Regan needs is an exorcist.'' Written by J. Spurlin from IMDB Obviously Exorcist is not a film just based on religion or nonhuman creatures. It refers also to lots of physchological and conservative problems if we look deeper to the plot. Starting from a