ISB ~ Mark 8 v30

he charged them:The blessing that accompanied Simon’s name change to “Peter” (3:16) is not mentioned in Mark as it is in Matthew (16:17-19). According to one ancient tradition, this omission reflects Mark’s dependence upon Peter for his Gospel information, since it i

s likely that Peter would humbly omit from his preaching sayings of Jesus that exalt him above others (CCC 552). See note on Mt 16:17 and introduction: Author. tell no one: Jesus enjoins silence on his disciples as part of a strategy to conceal his “messianic secret”. See note on 1:44.