The Apostle Paul has learned over a life time of patience, and especially in challenging circumstances, to keep the main thing the main thing.  Like a sign hanging in your Grandfather’s workshop that says “Measure twice, cut once”, he is concerned that our attitudes and actions be attentive to building the relational peace, the mutual respect, and mature mind of Christ toward one another.  The church in Corinth struggled with this. They were quick with their tongues to criticize and to judge one another in matters that should have been far down on the list of priorities.  In serving these people of God, Paul offers strong advice reminds them to put their mind and their energies into what matters most.  In this case the gospel. Don’t let the unnecessary take up all the oxygen in the room.