Cross reference
1 John 4:15
15 Everyone who says openly that Jesus is the Son of God, has God in him and is in God.
1 John 5:5
5 Who is able to overcome the world but the man who has faith that Jesus is the Son of God?
Romans 10:9
9 Because, if you say with your mouth that Jesus is Lord, and have faith in your heart that God has made him come back from the dead, you will have salvation:
1 John 3:24
24 He who keeps his laws is in God and God is in him. And the Spirit which he gave us is our witness that he is in us.
1 John 4:2
2 By this you may have knowledge of the Spirit of God: every spirit which says that Jesus Christ has come in the flesh is of God:
Matthew 10:32
32 To everyone, then, who gives witness to me before men, I will give witness before my Father in heaven.
Philippians 2:11
11 And that every tongue may give witness that Jesus Christ is Lord, to the glory of God the Father.
1 John 4:12
12 No man has ever seen God: if we have love for one another, God is in us and his love is made complete in us:
1 John 5:1
1 Everyone who has faith that Jesus is the Christ is a child of God: and everyone who has love for the Father has love for his child.
2 John 1:7
7 Because a number of false teachers have gone out into the world, who do not give witness that Jesus Christ came in the flesh. Such a one is a false teacher and Antichrist.