1 John 2:21–22
21 I write to you, not because you do not know the truth, but because you know it, and because no lie is of the truth. 22 Who is the liar but khe who denies that Jesus is the Christ? This is bthe antichrist, he who denies the Father and the Son.
1 John 4:1
Test the Spirits
1 Beloved, tdo not believe every spirit, but utest the spirits to see whether they are from God, for vmany wfalse prophets xhave gone out into the world.