Luke (the author of Acts) was not present in Jerusalem to hear Peter’s speech. What he has given to us is a faithful summary of what Peter said and the arguments which he made.1 Most certainly there would have been more details and explanations given by Peter, possibly including personal accounts of how he saw and spoke with Jesus after his resurrection. Luke has not chosen to share everything—only that which we need to know. Peter’s speech also serves as the first example of a missionary speech
in which the speaker explores Jesus’ significance before making a call to faith.2
14 But Peter, standing with the eleven, lifted up his voice and addressed them: “Men of Judea and all who dwell in Jerusalem, let this be known to you, and give ear to my words.