Although Paul never designates himself a ‘prophet’,13 there is a range of evidence within his letters that he views his own ministry as standing in a line of continuity with that of the Old Testament prophets.14 His reference to his calling to be a preacher in Galatians 1:15–16 echoes passages that speak of the calling of the Servant of Isaiah (Isa. 49:1–6) and Jeremiah (Jer. 1:5).15