મ્હે બાંધી કંકાડી દળાય નહીં.

mhē bāṁdhī kaṁkāḍī daḷāya nahīṁ.

Literally: One cannot grind grain with a bound mouth.
What it means: You cannot accomplish a task if you are restricted from using the essential tools or speaking freely.

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.