If we say that we have fellowship with him and walk in the darkness, we lie, and don't tell the truth.

 (v) It tells us of the revealing quality in the presence of God. Light is the great revealer. Flaws and stains which are hidden in the shade are obvious in the light. Light reveals the imperfections in any piece of workmanship or material. So the imperfections of life are seen in the presence of God. Whittier wrote: 