Jesus summoned the Twelve and began to send them out two by two and gave them authority over unclean spirits. He instructed them to take nothing for the journey but a walking stick—no food, no sack, no money in their belts. Mark 6:7–8
“What have you to do with me, Jesus, Son of the Most High God? I adjure you by God, do not torment me!” (He had been saying to him, “Unclean spirit, come out of the man!”) He asked him, “What is your name?” He replied, “Legion is my name. ...
When it was evening, after sunset, they brought to him all who were ill or possessed by demons. The whole town was gathered at the door. (Mark 1:32–34)
In their synagogue was a man with an unclean spirit; he cried out, “What have you to do with us, Jesus of Nazareth? Have you come to destroy us? I know who you are–the Holy One of God!” Jesus rebuked him and said, “Quiet! Come out of him!” Mark 1:23–25
“Whoever is not with me is against me, and whoever does not gather with me scatters.” Luke 11:23
Jesus summoned the Twelve and gave them power and authority over all demons and to cure diseases, and he sent them to proclaim the Kingdom of God and to heal the sick. Luke 9:1–2