Advice to Rāhula at Ambalaṭṭhika 18.4

18.4

Tasmātiha, rāhula, ‘paccavekkhitvā paccavekkhitvā kāyakammaṃ parisodhessāmi, paccavekkhitvā paccavekkhitvā vacīkammaṃ parisodhessāmi, paccavekkhitvā paccavekkhitvā manokammaṃ parisodhessāmī’ti—

So Rāhula, you should train yourself like this: ‘I will purify my physical, verbal, and mental actions after repeatedly checking.’”