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 4:2

4:2 By this you know the Spirit of God: Every spirit that confesses Jesus as the Christ who has come in the flesh is from God,

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.