ભણતાં પંડિત નીપજે, લખતાં લહીઆ થાય;

bhaṇatāṁ paṁḍita nīpajē, lakhatāṁ lahīā thāya;

Literally: By studying one becomes a scholar, by writing one becomes a scribe.
What it means: Skills are acquired through the act of doing them.

Also said as

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.