And he healed many who were sick with various diseases, and cast out many demons; and he would not permit the demons to speak, because they knew him.

And he went throughout all Galilee, preaching in their synagogues and casting out demons.

and to have authority to cast out the demons:

And the scribes who came down from Jerusalem said, "He is possessed by Beelzebub, and by the prince of demons he casts out the demons."

So he called them to himself and said to them in parables: "How can Satan cast out Satan?

And they cast out many demons, and anointed with oil many that were sick and healed them.

And wherever it seizes him, it throws him down; he foams at the mouth, gnashes his teeth and becomes rigid. I asked your disciples to cast out the spirit, but they could not."

John said to him, "Teacher, we saw a man casting out demons in your name and we forbade him, because he was not one of us."

And these signs will accompany those who believe: in my name they will cast out demons; they will speak in new tongues;