6. The identity of the Son of Man appears in the dual aspect of representative of God, herald of the kingdom of God, prophet calling to conversion. On the other hand, he is the 'representative' of men, whose earthly condition and sufferings he shares in order to redeem and save them according to the Father's plan. As he himself says in his conversation with Nicodemus: "As Moses lifted up the serpent in the wilderness, so must the Son of man be lifted up that whoever believes in him may have eternal life" (Jn 3:14-15).
It is a clear proclamation of the passion, which Jesus repeats: "And he began to teach them that the Son of Man must suffer greatly, and be reproved by the elders and the chief priests and the scribes, and then be killed, and after three days rise again" (Mk 8:31). Three times in Mark's Gospel (cf. Mk 9:31; 10:33-34), and in each of them Jesus speaks of himself as the "Son of Man".
[Pope John Paul II, General Audience 29 April 1987]







