Acts 1:8

1:8 But you will receive power when the Holy Spirit has come upon you, and you will be my witnesses in Jerusalem, and in all Judea and Samaria, and to the farthest parts of the earth.”

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 10:39-41

10:39 We are witnesses of all the things he did both in Judea and in Jerusalem. They killed him by hanging him on a tree, 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.

Acts 23:11

23:11 The following night the Lord stood near Paul and said, “Have courage, for just as you have testified about me in Jerusalem, so you must also testify in Rome.”

Acts 26:16-18

26:16 But get up and stand on your feet, for I have appeared to you for this reason, to designate you in advance as a servant and witness to the things you have seen and to the things in which I will appear to you. 26:17 I will rescue you from your own people and from the Gentiles, to whom I am sending you 26:18 to open their eyes so that they turn from darkness to light and from the power of Satan to God, so that they may receive forgiveness of sins and a share among those who are sanctified by faith in me.’

Acts 27:24

27:24 and said, ‘Do not be afraid, Paul! You must stand before Caesar, and God has graciously granted you the safety of all who are sailing with you.’

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.