If we say, “We have fellowship with Him,” yet we walk in darkness, we are lying and are not practicing the truth.

If we say, “We have no sin,” we are deceiving ourselves, and the truth is not in us.

The one who says, “I have come to know Him,” yet doesn't keep His commands, is a liar, and the truth is not in him.

I have not written to you because you don’t know the truth, but because you do know it, and because no lie comes from the truth.

Little children, we must not love with word or speech, but with truth and action.

This is how we will know we belong to the truth and will convince our conscience in His presence,

The Spirit of Truth and the Spirit of Error

Dear friends, do not believe every spirit, but test the spirits to determine if they are from God, because many false prophets have gone out into the world.

We are from God. Anyone who knows God listens to us; anyone who is not from God does not listen to us. From this we know the Spirit of truth and the spirit of deception.

The Certainty of God’s Testimony

Jesus Christ—He is the One who came by water and blood, not by water only, but by water and by blood. And the Spirit is the One who testifies, because the Spirit is the truth.