1 Corinthians 12:3
I assure you, therefore, that no one speaking by the Spirit of God calls Jesus an accursed thing, and no one can call Jesus Lord, except by the Holy Spirit.
1 John 4:1-3
BELOVED, believe not every spirit, but prove the spirits whether they are of God; for many false prophets have gone out into the world.
Revelation 16:13-14
And I saw three impure spirits like frogs [proceed] from the mouth of the dragon and from the mouth of the beast and from the mouth of the false prophet;??14 for [these] are spirits of demons that perform miracles, that go to the kings of all the world, to assemble them for the battle of that great day of God Almighty.