1 John 2:23

Verse 22–23. He who denieth that Jesus is the Christ? He is antichrist: is in a special manner an adversary of Christ and the Christian religion, when he denies Jesus to be the Messias, or to have been from eternity the true Son of God.—He who denieth him to be the Son, neither hath he the Father. He who denies either of these truths denieth both. He who denies the Son of God to be the eternal Son, denies the Father to be the eternal Father. Witham.

MT omits: He who confesses the Son has the Father also.