Jesus was driving out a demon that was mute. When the demon left, the man who had been mute spoke, and the crowd was amazed.
References for Luke 11:14
But some of them said, “By Beelzebul, the prince of demons, he is driving out demons.”
References for Luke 11:15
Others tested him by asking for a sign from heaven.
References for Luke 11:16
Jesus knew their thoughts and said to them: “Any kingdom divided against itself will be ruined, and a house divided against itself will fall.
References for Luke 11:17
If Satan is divided against himself, how can his kingdom stand? I say this because you claim that I drive out demons by Beelzebul.
References for Luke 11:18
Now if I drive out demons by Beelzebul, by whom do your followers drive them out? So then, they will be your judges.
But if I drive out demons by the finger of God, then the kingdom of God has come upon you.
References for Luke 11:20
“When a strong man, fully armed, guards his own house, his possessions are safe.
But when someone stronger attacks and overpowers him, he takes away the armor in which the man trusted and divides up his plunder.