1 John 4:14-15

4:14 And we have seen and testify that the Father has sent the Son to be the Savior of the world.

4:15 If anyone confesses that Jesus is the Son of God, God resides in him and he in God.

1 John 5:5

5:5 Now who is the person who has conquered the world except the one who believes that Jesus is the Son of God?

1 John 5:11

5:11 And this is the testimony: God has given us eternal life, and this life is in his Son.