As for the house which king Solomon built for the LORD, the length thereof was threescore cubits, and the breadth thereof twenty cubits, and the height thereof thirty cubits.
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Bede
AD 735
The temple was built of Parian marble, a white stone, to represent the brilliance of chastity in the church, concerning which the Lord says in the canticle of love: “Like a lily among thorns, so is my love among maidens.” [The temple] “was sixty cubits long, twenty cubits wide and thirty cubits high.” The length of the temple designates the faith of the holy church, through which it bears with long-suffering patience, in the midst of its good works, the adversities brought against it by the wicked. The width designates the charity by which [the church] expands inwardly through the essential working of piety. The height designates the hope with which it awaits the rewards of the heavenly life, [which it will receive] as a result of the good deeds it performs through charity.