“seriously as a source.”10 Such remarks apply to the “we source” as well if its roots are in real experiences. This certainly was the early interpretation of this element of Luke, as Irenaeus testifies in Haer. 3.14.1. The Pauline letters name some of the potential candidates who traveled with Paul: Mark, Aristarchus, Demas, and Luke (Phlm 24; Col 4:14). To this list, one could add figures such as Timothy, Titus, Silas, Epaphras, and Barnabas. However, the combination of those named in Acts by the