¹⁹ They went out from us,^(A) but they did not really belong to us. For if they had belonged to us, they would have remained with us; but their going showed that none of them belonged to us.^(B)

²² Who is the liar? It is whoever denies that Jesus is the Christ. Such a person is the antichrist—denying the Father and the Son.^(A)

² This is how you can recognize the Spirit of God: Every spirit that acknowledges that Jesus Christ has come in the flesh^(A) is from God,^(B)

³ but every spirit that does not acknowledge Jesus is not from God. This is the spirit of the antichrist,^(A) which you have heard is coming and even now is already in the world.^(B)

¹⁰ Whoever believes in the Son of God accepts this testimony.^(A) Whoever does not believe God has made him out to be a liar,^(B) because they have not believed the testimony God has given about his Son.