If we were writing a critical treatise, we should of course have to enter upon the full discussion of many questions which might here be raised. The Acts of the Apostles in its latter chapters plainly claims to be the work of an eye-witness. In its opening words, placed at the head of this dissertation, it claims to be the work of the author of the Gospel. All the facts fall into a simple, natural order if we accept the traditional testimony of the Church that the Acts and the Gospel were both of them written before the martyrdom of St. Paul, and were indited by the hands of St. Paul's companion St. Luke. Any other solution is forced, unnatural, and involves inconsistencies on every side. We may turn aside from this brief outline of the critical question, to some more purely spiritual reflections, simply referring those who desire more information on the questions of date and authorship to such exhaustive works as those of Dr. Salmon's _Introduction to the New Testament_; Dr. Westcott on the _New Testament Canon_; Dr. Charteris on _Canonicity_, or Meyer's _Introduction to the Acts_. First, then, it may strike the intelligent reader, how comes it that we have not much fuller testimony in early Christian writers to the Acts of the Apostles, and to all the books of the Old Testament? How is it that the writings of Polycarp, Ignatius, Clement of Rome, do not abound with references, not merely to the Acts, but also to the four Gospels and to the other works of the New Testament? How is it that we have to depend on this obscure reference and that dubious quotation? These are questions which have often puzzled my own mind before I had investigated, and must often have raised anxiety and thought in other minds sincerely desirous of being rooted and grounded in the truth. But now, after having investigated, and thought, I think I can see solid reasons why things are as they are; clear evidences of the truth of the Christian story in the apparent difficulties. Historic imagination is one of the necessary requisites in such an investigation, and historic imagination is one of the qualities in which our German cousins, from whom most of the objections to the canon of the New Testament have been derived, are conspicuously deficient. They are gifted with prodigious industry, and an amazing capacity for patient investigation. They live secluded lives, however, and no one is a worse judge of practical life, or forms wilder conclusions as to what men actually do in practical life, than the academic pure and simple. A dear friend, now with God, himself a distinguished resident of a well-known college, used often to say to me, "Never trust the opinion of a mere college fellow or professor upon any practical point; they know nothing about life." This dictum, begotten of long experience, bears on our argument. German thought and English thought offer sharp and strong contrasts on many points, and on none more than in this direction.