And he was seen many days of them which came up with him from Galilee to Jerusalem, who are his witnesses unto the people. He was seen many days, etc. - The thing was done but a very short time since; and many of the witnesses are still alive, and ready to attest the fact of this resurrection in the most unequivocal manner.
Related Commentaries of Acts 13:31
Acts 13:31
31 And he was seen many days of them which came up with him from Galilee to Jerusalem, who are his witnesses unto the people.