Bede

On the inside, indeed, the house was lined with cedar, for on the outside, the actual stone it was built of glinted with as much brilliance as if it had been covered with glowing white marble. Taken in the mystical sense, however, the temple walls are the nations of believers of whom the holy universal church consists and whose widespread distribution throughout the whole world is denoted by the width of the walls, whereas the height denotes the hope and whole upward thrust of the church toward heavenly things, or at any rate the …

Of the Temple of Solomon 1.8.6 ↗