Eph. 2:2
"Obsession" means an evil spirit, or spirits, hovering around, and influencing a man with the object of obtaining a footing in him, and gaining possession, in however small a degree. If these influences are yielded to, it must result in possession, e.g., if an evil spirit counterfeits the presence of God, and comes upon the man as an influence only, it may be described as obsession; but when a footing is gained in him, it is "possession," because the obsessing spirits have gained access, and possess the ground they hold, up to the extent of the ground given.
The meaning of the word obsession as given in the dictionary bears this out. It means "to besiege," and it is described as "persistent attack, especially of an evil spirit upon a person"; and "the state of being molested from without, as opposed to 'possession' or control by an evil spirit from within." According to this description of obsession, it is evident that it is a very common form of attack by the powers of darkness upon the children of God; not to speak of the unregenerate who are already, according to the Scriptures ( Eph. 2:2; top ), controlled from within, i.e., "the spirit that now worketh in the children of disobedience" (A.V.).
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