Acts 19:15
King James Version
“And the evil spirit answered and said, Jesus I know, and Paul I know; but who are ye?”
Context
12So that from his body were brought unto the sick handkerchiefs or aprons, and the diseases departed from them, and the evil spirits went out of them.
13Then certain of the vagabond Jews, exorcists, took upon them to call over them which had evil spirits the name of the Lord Jesus, saying, We adjure you by Jesus whom Paul preacheth.
14And there were seven sons of Sceva, a Jew, chief of the priests, which did so.
15And the evil spirit answered and said, Jesus I know, and Paul I know; but who are ye?
16And the man in whom the evil spirit was leaped on them, and overcame them, and prevailed against them, so that they fled out of that house naked and wounded.
17And this was known to all the Jews and Greeks also dwelling at Ephesus; and fear fell on them all, and the name of the Lord Jesus was magnified.
18And many that believed came, and confessed, and shewed their deeds.