'Most Holy Place' in the Bible

You shall hang the veil from the hooks [that connect the curtains together], and you shall bring the ark of the Testimony there within the veil. The veil shall separate for you the Holy Place and the Holy of Holies.

You shall put the mercy seat on the ark of the Testimony in the Holy of Holies.

Outside the veil of the Testimony [between the Holy Place and the Most Holy Place] in the Tent of Meeting, Aaron shall always keep the lamps burning before the Lord from evening until morning; it shall be a permanent statute throughout your generations.

But bring with you also your brothers, the tribe of Levi, the tribe of your father (ancestor), so that they may join with you and serve you [as assistants], while you and your sons with you are before the Tent of the Testimony [the Holy Place where only priests may go, and the Most Holy Place which only the high priest may enter].

Now he made the room of the Holy of Holies: its length equaling the width of the house was twenty cubits, and its width was twenty cubits; and he overlaid it with 600 talents of fine gold.

And in the Holy of Holies he made two sculptured cherubim, and overlaid them with gold.

He made the veil [between the Holy Place and the Holy of Holies] of blue, purple, and crimson colors, and fine linen, and embroidered cherubim on it.

and the snuffers, the basins, the dishes [for incense], and the firepans, of pure gold; and for the entrance of the house (temple), the inner doors for the Holy of Holies and the doors of the Holy Place (main room), were of gold.

He measured the length [of the interior of the inner sanctuary], twenty cubits, and the width, twenty cubits, opposite the nave (outer sanctuary); and he said to me, “This is the Most Holy Place.”