If we say we are joined to him, and are walking still in the dark, our words are false and our acts are untrue:

If we say that we have no sin, we are false to ourselves and there is nothing true in us.

If we say that we have no sin, we make him false and his word is not in us.

The man who says, I have knowledge of him, and does not keep his laws, is false, and there is nothing true in him:

I have not sent you this letter because you have no knowledge of what is true, but because you have knowledge, and because that which is false has nothing in common with that which is true.

Who is false but he who says that Jesus is not the Christ? He is the Antichrist who has no belief in the Father or the Son.

As for you, the Spirit which he gave you is still in you, and you have no need of any teacher; but as his Spirit gives you teaching about all things, and is true and not false, so keep your hearts in him, through the teaching which he has given you.

My loved ones, do not put your faith in every spirit, but put them to the test, to see if they are from God: because a great number of false prophets have gone out into the world.

If a man says, I have love for God, and has hate for his brother, his words are false: for how is the man who has no love for his brother whom he has seen, able to have love for God whom he has not seen?

He who has faith in the Son of God has the witness in himself: he who has not faith in God makes him false, because he has not faith in the witness which God has given about his Son.

My little children, keep yourselves from false gods.