נֶ֣זֶם זָ֭הָב וַחֲלִי־כָ֑תֶם מוֹכִ֥יחַ חָ֝כָ֗ם עַל־אֹ֥זֶן שֹׁמָֽעַת׃
As an ear-ring of gold, and an ornament of fine gold, So is a wise reprover upon an obedient ear.
Read kabbalistic (mystical) interpretation of Proverbs 25:12: and classical mystical sources.