સો યુગ પાનીમેં રહે, મીટે ન ચકમક આગ.

sō yuga pānīmēṁ rahē, mīṭē na cakamaka āga.

Literally: Even if it remains in water for a hundred ages, the fire of flint is not extinguished.
What it means: Innate qualities and true passions cannot be destroyed or altered by external circumstances.

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.