બળદ ગધેડાને શિખામણ આપે.

baḷada gadhēḍānē śikhāmaṇa āpē.

Literally: The ox gives advice to the donkey.
What it means: Said when one foolish or hardworking but simple person tries to instruct another who is equally stubborn or foolish.

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.