કુલકે દીપક સપુત હે, મુખકે દીપક પાન;

kulakē dīpaka saputa hē, mukhakē dīpaka pāna;

Literally: The light of the family is a good son, the light of the mouth is betel leaf.
What it means: A virtuous son brings honor to his family.

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.