Acts 1:1-3 (NIV) In myformer book, Theophilus, I wrote about all thatJesus began to do and to teach 2 until the dayhe was taken up to heaven, after givinginstructions through the Holy Spirit to theapostles he had chosen. 3 After hissuffering, he showed himself to these men andgave many convincing proofs that he was alive.He appeared to them over a period of fortydays and spoke about the kingdom of God.