1 John 1:3

1:3 What we have seen and heard we announce to you too, so that you may have fellowship with us (and indeed our fellowship is with the Father and with his Son Jesus Christ).

1 John 2:22

2:22 Who is the liar but the person who denies that Jesus is the Christ? This one is the antichrist: the person who denies the Father and the Son.

1 John 3:23

3:23 Now this is his commandment: that we believe in the name of his Son Jesus Christ and love one another, just as he gave us the commandment.

1 John 5:1

5:1 Everyone who believes that Jesus is the Christ has been fathered by God, and everyone who loves the father loves the child fathered by him.