If we say we have fellowship with him while we walk in darkness, we lie and do not practice the truth.
6 If we say It is, indeed, an argument from what is inconsistent, when he concludes that they are alienated from God, who walk in darkness. This doctrine, however, depends on a higher principle, that God sanctifies all who are his.
The apostle, having declared the truth and dignity of the author of the gospel, brings a message or report from him, from which a just conclusion is to be drawn for the consideration and conviction of the professors of religion, or professed entertainers of this glorious gospel. I.
Commenting on 1 John 1:5-7
If we say that we have fellowship with him,.... The Alexandrian copy reads, "for if we say": that is, if any profess to be partakers of the divine nature, to be like unto God, and to have communion with him, to have the light of his countenance, and the discoveries of his love: and walk in darkness; in the darkness of sin, ignorance, and unbelief...