1 John 2:5

2:5 But whoever obeys his word, truly in this person the love of God has been perfected. By this we know that we are in him.

1 John 2:18

Warning About False Teachers

2:18 Children, it is the last hour, and just as you heard that the antichrist is coming, so now many antichrists have appeared. We know from this that it is the last hour.

1 John 4:13

4:13 By this we know that we reside in God and he in us: in that he has given us of his Spirit.

1 John 5:2

5:2 By this we know that we love the children of God: whenever we love God and obey his commandments.

1 John 3:24

3:24 And the person who keeps his commandments resides in God, and God in him. Now by this we know that God resides in us: by the Spirit he has given us.

1 John 4:6

4:6 We are from God; the person who knows God listens to us, but whoever is not from God does not listen to us. By this we know the Spirit of truth and the spirit of deceit.

1 John 5:20

5:20 And we know that the Son of God has come and has given us insight to know him who is true, and we are in him who is true, in his Son Jesus Christ. This one is the true God and eternal life.