કણીઆ સદા રણીઆ, કાઈ દહાડા કાંકણીઆ.

kaṇīā sadā raṇīā, kāī dahāḍā kāṁkaṇīā.

Literally: The grain-sellers are always wealthy, some days they are pebble-sellers.
What it means: Fortune fluctuates even for those who deal in essentials.

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.