Around 1918 Clarence Larkin taught that God had created man in His image and that this image was relfected in the way that He set up the Tabernacle of the Wilderness.
The above is the sketch that Clarence Larkin drew concering the Tabernacle of Man.
Remember that the three distinct departments of the Tabernacle were: The Outer Court, the Holy Place, and the Holy of Holies.
Larkin believed that these same three departments were reflected in the division of a man's mind, body, and spirit:
In order to understand how this leads to a better understanding of demon possession go to 'Can Christians be Demon Possessed?