The Bible teaches that unclean spirits, particularly Satan, can be expelled from individuals but may return, leaving them in a worse state if they are not filled with the Holy Spirit.
In Luke 11:24-28, Jesus discusses unclean spirits and their nature. When an unclean spirit leaves a person, it seeks rest but returns to find the man’s life empty. This symbolizes those who may experience a superficial reform in their lives without true conversion. Jesus warns that such individuals, if not internally transformed by the Holy Spirit, can find themselves in a more perilous state post-reformation, as they may improperly assume they are at peace with God. It's crucial to recognize that without true spiritual renewal, one may continue to be susceptible to demonic influence.
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