Mark 1:21-24

Then they went into Capernaum, and immediately on the Sabbath He entered the synagogue and taught. And they were astonished at His teaching, for He taught them as one having authority, and not as the scribes. Now there was a man in their synagogue with an unclean spirit. And he cried out, saying, “Let us alone! What have we to do with You, Jesus of Nazareth? Did You come to destroy us? I know who You are—the Holy One of God!”