ડાહીના ઘેલા ને ઘેલીના ડાહ્યા.

ḍāhīnā ghēlā nē ghēlīnā ḍāhyā.

Literally: The wise woman's [children are] foolish, and the foolish woman's [children are] wise.
What it means: Said when the children of intelligent parents turn out to be foolish, or when those of foolish parents turn out to be wise.

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · 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.