But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus Christ, his Son, cleanses us from all sin.
That God is light, [not God is a light, but God is light, this is the essence of His nature] and in Him is no darkness at all. [Therefore] if we say that we [are one with God] have fellowship with him, and walk in darkness, we lie, and do not the truth [we're not telling the truth] ( 1 John 1:5-6 ):