[241] Again, bhikkhus, when a bhikkhu has tasted a flavor with the tongue, if there is internally … he understands: '…there is lust, hatred, and delusion (rāga-dosa-moha) internally in me'; or, if there is no lust, hatred, and delusion internally, he understands: 'There is no lust, hatred, and delusion internally in me.'
Bhikkhus, as to that whereby a bhikkhu, having tasted a flavor with the tongue, understands, when there is lust, hatred, and delusion internally: 'There is lust, hatred, and delusion internally in me'; or understands, when there is no lust, hatred, and delusion internally: 'There is no lust, hatred, and delusion internally in me' — are these things (dhammā) to be known by faith (saddhā), to be known by personal preference (ruci), to be known by oral tradition (anussava), to be known by reasoned reflection (ākāraparivitakka), or to be known by acceptance of a view after consideration (diṭṭhinijjhānakkhanti)?"
"No indeed, venerable sir."
"Bhikkhus, are not these things to be known by seeing them with wisdom (paññā)?"
"Yes, venerable sir."
"This too, bhikkhus, is a method (pariyāya), by coming to which method a bhikkhu — apart from faith, apart from personal preference, apart from oral tradition, apart from reasoned reflection, apart from acceptance of a view after consideration — declares final knowledge (aññā): 'Destroyed is birth (jāti); the holy life (brahmacariya) has been lived; what had to be done has been done; there is no more of this state of being' — thus he understands." …
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.