 German theologian Rudolf Bultmann sees the phrase not as one genuinely used by Jesus but as one inserted by the early Church.More recently, theologian C. F. D. Moule argues that the phrase 'the Son of Man', "so far from being a title evolved from current apocalyptic thought by the early Church and put by it onto the lips of Jesus, is among the most important symbols used by Jesus himself to describe his vocation and that of those whom he summoned to be with him.