ધરના ગોધ્યા આંખ ફોડે.

dharanā gōdhyā āṁkha phōḍē.

Literally: One's own bull gouges out one's eye.
What it means: Said when harm or betrayal comes from a trusted family member or dependent.

Also said as

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.