1 In the first book, Theophilus, I wrote about all that Jesus did and taught from the beginning 2 until the day when he was taken up to heaven, after giving instructions through the Holy Spirit to the apostles whom he had chosen. 3 After his suffering he presented himself alive to them by many convincing proofs, appearing to them during forty days and speaking about the kingdom of God.
4 While staying 1 with them, he ordered them not to leave Jerusalem, but to wait there for the promise of the Father. "This," he said, "is what you have heard from me; 5 for John baptized with water, but you will be baptized with 2 the Holy Spirit not many days from now."