Digha Nikaya 23 (dn23:29.9)

‘Evaṁ, sammā’ti kho sahāyako sahāyakassa paṭissutvā sāṇabhāraṁ bandhitvā te ubho sāṇabhāraṁ ādāya yena aññataraṁ gāmapaṭṭaṁ tenupasaṅkamiṁsu.