12 No one has ever seen God; but if we love one another, God lives in us and his love is made complete in us.

References for 1 John 4:12

13 This is how we know that we live in him and he in us: He has given us of his Spirit.

References for 1 John 4:13

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

References for 1 John 4:14

15 If anyone acknowledges that Jesus is the Son of God, God lives in them and they in God.

References for 1 John 4:15