મોરનાં ઇંડાંને ચીતરવું પડે નહીં.

mōranāṁ iṁḍāṁnē cītaravuṁ paḍē nahīṁ.

Literally: Peacock eggs do not need to be painted.
What it means: Natural talent or inherent quality does not need to be taught or embellished.
The English proverb Shah set beside it: Coral needs no colouring.A good face needs no paint.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · 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.