You Will be My Witnesses

I have given an earlier account, O Theophilus, of all the things which Jesus did, and of his teaching from the first,  Till the day when he was taken up to heaven after he had given his orders, through the Holy Spirit, to the Apostles of whom he had made selection:  And to whom he gave clear and certain signs that he was living, after his death; for he was seen by them for forty days, and gave them teaching about the kingdom of God:  And when they were all together, wit...