Acts 1:1-3 KJV

1 The former treatise have I made , O Theophilus, of all that Jesus began both to do and teach ,
2 Until the day in which he was taken up , after that he through the Holy Ghost had given commandments unto the apostles whom he had chosen :
3 To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God: