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 3:1-2

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. 3:2 Dear friends, we are God’s children now, and what we will be has not yet been revealed. We know that whenever it is revealed we will be like him, because we will see him just as he is.

1 John 3:8

3:8 The one who practices sin is of the devil, because the devil has been sinning from the beginning. For this purpose the Son of God was revealed: to destroy the works of the devil.

1 John 3:17

3:17 But whoever has the world’s possessions and sees his fellow Christian in need and shuts off his compassion against him, how can the love of God reside in such a person?

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.