Digha Nikaya 1 (dn1:2.13.2)

Idha, bhikkhave, ekacco samaṇo vā brāhmaṇo vā takkī hoti vīmaṁsī. So takkapariyāhataṁ vīmaṁsānucaritaṁ sayampaṭibhānaṁ evamāha: