કુંભાર કરતાં ગધેડાં ડાહ્યાં.

kuṁbhāra karatāṁ gadhēḍāṁ ḍāhyāṁ.

Literally: The donkeys are wiser than the potter.
What it means: Said when a subordinate or student acts as if they know more than their master or teacher.
The English proverb Shah set beside it: Fools rush in where angels fear to tread.

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.