કુટુંબમાં વડીલ સડેલા, તેનું બધું કુટુંબ સડેલું.

kuṭuṁbamāṁ vaḍīla saḍēlā, tēnuṁ badhuṁ kuṭuṁba saḍēluṁ.

Literally: If the elder in the family is rotten, the whole family is rotten.
What it means: The character of the leader or head of a group determines the character of the whole group.

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.