ભેસ ભાગેલ હોય, વાંસે જઈને વાડીએ;

bhēsa bhāgēla hōya, vāṁsē jaīnē vāḍīē;

Literally: If the buffalo has run away, going behind into the orchard;
What it means: Pursuing a lost cause long after the opportunity has already slipped away.

Also said as

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.