Needful Instruction

Who are these ‘called out ones’ that Paul is referring to? Who has the authority to call them? What is the assembling of the church all about? Why was the Holy Spirit poured out in an outward manner after the death and resurrection of Christ? Was is the mode of immersion in baptism so vital? How does baptism imply that the recipient has repented and turned to Christ? Why do we believe this exclusive message of Christ alone? How did the Old Testament saints live looking forward to the promise and we live looking back to the cross where the promise was fulfilled? Have all lived in unbelief until a point? Do we love one another as we ought? Who is the church accountable to?