If we say that we have fellowship with him and walk in the darkness, we lie, and don't tell the truth.
we have fellowship with him: This is a statement that should be made by every Christian. If we are "in Christ," walking the Christian walk, we are living in fellowship, communion, joint-participation with the Lord. Wuest says concerning this hypothetical person, "This person claims to have things in common with God, common likes and dislikes, a common nature, the divine, which basic things eventuate in a communion of interest and activity which we call fellowship" (101).