1 John 2:22
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 4:2–3
2 By this you know the Spirit of God: yevery spirit that confesses that zJesus Christ has come in the flesh is from God, 3 and every spirit athat does not confess Jesus is not from God. This is the spirit of the antichrist, which you heard was coming and bnow is in the world already.
