Parivara 4.16.9

4.16.9

Evarūpañce tumhe anuvādamūlaṃ ajjhattaṃ vā bahiddhā vā na samanupasseyyātha tatra tumhe tasseva pāpakassa anuvādamūlassa 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.