With Soṇadaṇḍa 18.5

18.5

‘bahussuto ca soṇadaṇḍo brāhmaṇo, kalyāṇavākkaraṇo ca soṇadaṇḍo brāhmaṇo, paṇḍito ca soṇadaṇḍo brāhmaṇo, pahoti ca soṇadaṇḍo brāhmaṇo samaṇena gotamena saddhiṃ asmiṃ vacane paṭimantetun’ti, tiṭṭhatha tumhe, soṇadaṇḍo brāhmaṇo mayā saddhiṃ paṭimantetū”ti.

he’s learned, a good speaker who enunciates well, astute, and capable of debating with me about this, then you should stand aside and let him debate with me.”