The question must be fairly considered whether Luke had completed his history. There is one piece of evidence from his own hand that he had not completed it, but contemplated a third book at least. His work is divided into two books, the Gospel and the Acts, but in the opening line of the Acts he refers to the Gospel as the First Discourse (πρῶτος λόγος). Had he not contemplated a third book, we expect the term Former Discourse (πρότερος). In a marked position like the opening of a book, we must