23 And it came to pass when the evil spirit was upon Saul, that David took his harp, and played with his hand. And Saul was refreshed, and it was well with him, and the evil spirit departed from him.
1 Samuel 16:23 Cross References - CAB
1 Samuel 16:14-16
14 And the Spirit of the Lord departed from Saul, and an evil spirit from the Lord tormented him.
15 And Saul's servants said to him, Behold now, and evil spirit from the Lord torments you.
16 Let now your servants speak before you, and let them seek for our lord a man skilled to play on the harp; and it shall come to pass when an evil spirit comes upon you, and he shall play on his harp, that you shall be well, and he shall refresh you.
1 Samuel 18:10-11
Matthew 12:43-45
43 "When an unclean spirit goes out from a man, he goes through waterless places, seeking rest, and does not find any.
44 Then he says, 'I will return to my house from where I came out.' And when he comes, he finds it unoccupied, swept, and adorned.
45 Then he goes and takes along with himself seven other spirits more wicked than himself, and entering in they dwell there; and the last state of that man is worse than the first. Thus it shall also be for this wicked generation."
Luke 11:24-26
24 "When an unclean spirit goes out of a man, he goes through waterless places, seeking rest; and not finding any, he says, 'I will return to my house from where I came out.'
25 And coming, he finds it swept and adorned.
26 Then he goes and takes along seven other spirits more wicked than himself, and they come and dwell there; and the last state of that man is worse than the first."