We must walk in the light
1 Jn 1:6-7 - If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth: But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin. As Christians we are all called to no longer walk in darkness, but to walk in the light. It is an important mandate for every believer and follower of Christ to walk in the light as He is in the light. Only as each Christian practices that on an individual basis can we really have true fellowship and unity one with another and only then does the blood of Jesus continue to cleanse us of all sin. The reason for a lack of unity and fellowship in the church is not primarily an issue with the nuanced differences in doctrine and theology, but a failure of Christians individually to steadfastly put off the deeds of darkness from their lives and walk in the light. The Apostle James referred to this in Jam 4:1 - From whence come war...