1 John 4:13-15

Young's Literal Translation

¹³ in this we know that in Him we do remain, and He in us, because of His Spirit He hath given us.

¹⁴ And we -- we have seen and do testify, that the Father hath sent the Son -- Saviour of the world;

¹⁵ whoever may confess that Jesus is the Son of God, God in him doth remain, and he in God;