સાત વારે સોની, ત્રણ વારે કંસારા;

sāta vārē sōnī, traṇa vārē kaṁsārā;

Literally: Seven times for the goldsmith, three times for the coppersmith.
What it means: Different craftsmen or people require different amounts of time or attempts to complete their work.

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.