કુવા વંઠ્યો, જ્યાં કબુતર બેઠું; ઘર વંઠ્યું, જ્યાં ભગતડું પેઠું.

kuvā vaṁṭhyō, jyāṁ kabutara bēṭhuṁ; ghara vaṁṭhyuṁ, jyāṁ bhagataḍuṁ pēṭhuṁ.

Literally: The well is ruined where the pigeon sat; the house is ruined where the fake devotee entered.
What it means: The presence of corrupt or unwanted elements leads to the ruin of a place.

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

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