ભણ્યોગણ્યો તે ઘોડે ચડે, ન ભણ્યો તે આગળ દોડે.

bhaṇyōgaṇyō tē ghōḍē caḍē, na bhaṇyō tē āgaḷa dōḍē.

Literally: The educated one mounts a horse, but the uneducated one runs ahead.
What it means: Even experts or educated people can falter while the unlearned surpass them.
The English proverb Shah set beside it: A good marksman may miss.

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.