Parallel
Proverbs 17:3
Swete's Septuagint · Berean Standard Bible
ὥσπερ δοκιμάζεται ἐν καμίνῳ ἄργυρος καὶ χρυσός, οὕτως ἐκλεκταὶ καρδίαι παρὰ Κυρίῳ.
A crucible for silver and a furnace for gold, but the LORD is the tester of hearts.