4. It is uncertain whether he wrote the book at the behest of Paul. The scope of the book.
Whether Saint Luke wrote Acts at the behest of Saint Paul, since he was his συνέκδημος, traveling companion, 2 Corinthians 8:19; Colossians 4:14; Philemon 24, and so an ἀδιάσπαστος/inseparable companion, and so an αὐτόπτης/eyewitness and αὐτήκοος/ear-witness of the things said and done, as Jerome, Nicephorus, and other ancients affirm, we leave undecided. This is certain, that he willed to trace the origins of the Christian Church, and to demonstrate by the result that Christ the Savior, verily raised from the dead, and seated at the right hand of God, with the Holy Spirit poured out upon the Apostles, by their ministry inaugurated a spiritual kingdom in all the earth, and has gathered a Church of Jews and Gentiles.
 2 Corinthians 8:19: “And not that only, but who was also chosen of the churches as a traveling companion (συνέκδημος) with us with this grace, which is administered by us to the glory of the same Lord, and declaration of your ready mind…”