5 Bible Verses about Unclean Spirits

"Whenever the foul spirit goes out of a man, it wanders about in deserts in search of rest, but cannot find it.

So He came down to Capernaum, a city in Galilee. And He continued to teach them on the Sabbath, and they were completely astounded, because His message was spoken with authority. Now there was a man in the synagogue who was under the power of the spirit of a foul demon, and he screamed with a loud voice, read more.
"Ha! What do you want of us, Jesus, you Nazarene? Have you come to destroy us? I know who you are. You are God's Holy One." But Jesus reproved him, saying "Be quiet! Get out of him at once!" So the demon threw the man down in the midst of them and came out of him without doing him any harm. Amazement then seized them all and they continued to talk it over among themselves, and to say, "What does this message mean? For with authority and power He gives orders to foul spirits, and they come out."

So Jesus retired with His disciples to the sea, and a vast throng of people followed Him from Galilee, and from Judea, and from Jerusalem, and from Idumea, and from the other side of the Jordan, and from the neighborhood of Tyre and Sidon -- yes, a vast throng of people, as they kept hearing of the great things that He was doing, came to Him. So He told His disciples to keep a little boat ready for Him all the time, to prevent the crowds from crushing Him. read more.
For He cured so many people that all who had ailments kept crowding up against Him to touch Him. And whenever the foul spirits saw Him, they fell down before Him and screamed, "You are the Son of God."