1 John 2:4

2:4 The one who says “I have come to know God” and yet does not keep his commandments is a liar, and the truth is not in such a person.

1 John 3:1

3:1 (See what sort of love the Father has given to us: that we should be called God’s children – and indeed we are! For this reason the world does not know us: because it did not know him.

1 John 3:9

3:9 Everyone who has been fathered by God does not practice sin, because God’s seed resides in him, and thus he is not able to sin, because he has been fathered by God.

1 John 4:3

4:3 but every spirit that does not confess Jesus is not from God, and this is the spirit of the antichrist, which you have heard is coming, and now is already in the world.

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 4:20

4:20 If anyone says “I love God” and yet hates his fellow Christian, he is a liar, because the one who does not love his fellow Christian whom he has seen cannot love God whom he has not seen.