And Hashem said to Moshe: Put Aharon’s staff back before the Testimony, to be kept as a sign for the children of rebellion, that their complaints against Me may cease, and they not die.
Classic: the blossoming staff is kept as a permanent sign against further complaint about the kehunah.
English: Put Aharon’s staff back before the Testimony, to be kept as a sign for the children of rebellion.
Staff as ongoing sign.
Two memorials now stand: the copper overlay of the censers, and the staff that blossomed — both against challenge to Aharon’s house.