વીંછી કેરી વેદના, જેને વીતી હોય;

vīṁchī kērī vēdanā, jēnē vītī hōya;

Literally: Only the one who has experienced it knows the pain of a scorpion's sting.
What it means: Only those who have personally suffered a specific hardship can truly understand its pain.

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.