Parashas Vayakhel · Passuk 37:24
Source Citation: Yerushalmi Shekalim 6:3
English: Rabbi Yehudah taught that when Solomon made the Menorah he took a thousand talents of gold, repeatedly refined them, and reduced them to one, fulfilling “a talent of pure gold shall he make it.”
Derash from the wording of the verse, as cited and explained by Torah Temimah.
The cited source establishes the specific derashah associated with this verse.