Vicarious Sacrifice: Peter Uses Nathan"s Prophecy of the Davidic Covenant to David to Introduce Jesus as the Christ, 2 Sam 7:12, 16; the Procession of the Holy Spirit, Acts 2:33; The Nicene Creed of 325, Augustine"s Doctrine of Procession, & the Controversy over the Addition to the Creed of the Filioque Clause: and the Son