This is a book you should check out. The autor goes into the two evil spirits that give strength to all other spirits the Devil uses on people.
The two spirits are insecurity and inferiority. He went into how that Eve was manipulated by these two spirits in that she felt insecure when she thought God may have lied to her, then inferior because she didn’t know good from evil. The author says that these two spirits are at the root of all human failings. Then he tells how to cure these two problems and live a better life.
Click on this link to see the book on amazon