And he built twenty cubits on the hinder part of the house with boards of cedar from the floor unto the walls: he even built them for it within, for an oracle, even for the most holy place.
and the LORD said unto Moses, Speak unto Aaron thy brother, that he come not at all times into the holy place within the veil, before the mercy-seat which is upon the ark; that he die not: for I will appear in the cloud upon the mercy-seat.