news of a new high priest in a new order of priesthood would be, ‘But we’ve got priests already! Why do we need another kind of high priest?’ The writer gives four reasons for this:— THE FAILURE OF THE OLD TESTAMENT LAW (VS 11–19) As we go through the letter there will emerge a number of defects in the Old Covenant administration. However these can be summarised in one main downfall, ‘for the law made nothing perfect’ (v 19). The writer starts out with the premise that the priesthood has been changed.