Parivara 4.14.9

4.14.9

Evarūpañce tumhe vivādamūlaṃ ajjhattaṃ vā bahiddhā vā na samanupasseyyātha tatra tumhe tasseva pāpakassa vivādamūlassa āyatiṃ anavassavāya paṭipajjeyyātha.

If you don’t see such a root either in yourself or in others, you should practice so that it does not emerge in the future.