Song of Songs 3:10 He made the pillars thereof of silver, the bottom thereof of gold, the covering of it of purple, the midst thereof being paved with love, for the daughters of Jerusalem.
Considering the Arc of The Covenant being covered in Gold and our Hearts being the Holy of Holies of our temples, here we have the concept of a heart of Gold. The word GOLD in Hebrew unlocks so much more described in this episode.