કહા ચંદન પારસ કહા, કહા નરપત કહા ભ્રંગ;

kahā caṁdana pārasa kahā, kahā narapata kahā bhraṁga;

Literally: What of sandalwood, what of the philosopher's stone, what of a king, what of a black bee?
What it means: Great and noble influences have the power to transform whatever they touch into something valuable.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.