Mark 16:15-19

16:15 He said to them, “Go into all the world and preach the gospel to every creature. 16:16 The one who believes and is baptized will be saved, but the one who does not believe will be condemned. 16:17 These signs will accompany those who believe: In my name they will drive out demons; they will speak in new languages; 16:18 they will pick up snakes with their hands, and whatever poison they drink will not harm them; they will place their hands on the sick and they will be well.” 16:19 After the Lord Jesus had spoken to them, he was taken up into heaven and sat down at the right hand of God.

Luke 1:2

1:2 like the accounts passed on to us by those who were eyewitnesses and servants of the word from the beginning.

Luke 24:47-48

24:47 and repentance for the forgiveness of sins would be proclaimed in his name to all nations, beginning from Jerusalem. 24:48 You are witnesses of these things.

John 15:27

15:27 and you also will testify, because you have been with me from the beginning.

Acts 1:22

1:22 beginning from his baptism by John until the day he was taken up from us – one of these must become a witness of his resurrection together with us.”

Acts 10:40-42

10:40 but God raised him up on the third day and caused him to be seen, 10:41 not by all the people, but by us, the witnesses God had already chosen, who ate and drank with him after he rose from the dead. 10:42 He commanded us to preach to the people and to warn them that he is the one appointed by God as judge of the living and the dead.