John 8:40-42
But now you are trying to kill Me, a man who has told you the truth that I heard from God. Abraham never did such a thing. . . .

1 John 2:23
Whoever denies the Son does not have the Father; whoever confesses the Son has the Father as well.

2 John 1:9
Anyone who runs ahead without remaining in the teaching of Christ does not have God. Whoever remains in His teaching has both the Father and the Son.