² This is how you can recognize the Spirit of God: Every spirit that acknowledges that Jesus Christ has come in the flesh^(A) is from God,^{(B) 3} but every spirit that does not acknowledge Jesus is not from God. This is the spirit of the antichrist,^(C) which you have heard is coming and even now is already in the world.^(D)

¹³ This is how we know^(A) that we live in him and he in us: He has given us of his Spirit.^{(B) 14} And we have seen and testify^(C) that the Father has sent his Son to be the Savior of the world.^{(D) 15} If anyone acknowledges that Jesus is the Son of God,^(E) God lives in them and they in God.^{(F) 16} And so we know and rely on the love God has for us.

God is love.^(G) Whoever lives in love lives in God, and God in them.^{(H) 17} This is how love is made complete^(I) among us so that we will have confidence^(J) on the day of judgment:^(K) In this world we are like Jesus.

⁴ for everyone born of God^(A) overcomes^(B) the world. This is the victory that has overcome the world, even our faith. ⁵ Who is it that overcomes the world? Only the one who believes that Jesus is the Son of God.^(C)