In this section is found the only example in Acts of an address given by Paul to Christians (cf. 14:22; 18:23). In it we see him as the pastor and friend of the Ephesians, and no other passage in this book shows greater feeling than this. There is a remarkable vividness about the speech, the reason for which is obvious: it is the only speech in Acts about which we can be reasonably sure that the author himself heard what was said. Even so, he has imposed his own style upon it. But in this speech more than in any other, we catch the Lukan accent; but behind it, clearly, sounds the voice of the speaker himself. As to content, it is thoroughly Pauline. As to form, it is of a type commonly found in farewell addresses, in which the speaker warns his audience of difficulties that lie ahead, hold…