એડા મિત્ર ન કીજીએ, વિપત પડે ખિસ જાય;

ēḍā mitra na kījīē, vipata paḍē khisa jāya;

Literally: Do not make such a friend, who slips away when adversity falls.
What it means: Avoid fair-weather friends who abandon you the moment you face difficulties.

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.