AN 3.5

Ayonisosutta

“Tīhi, bhikkhave, dhammehi samannāgato bālo veditabbo. Katamehi tīhi? Ayoniso pañhaṁ kattā hoti, ayoniso pañhaṁ vissajjetā hoti, parassa kho pana yoniso pañhaṁ vissajjitaṁ parimaṇḍalehi padabyañjanehi siliṭṭhehi upagatehi nābbhanumoditā hoti. Imehi kho, bhikkhave, tīhi dhammehi samannāgato bālo veditabbo.

Irrational

“A fool is known by three things. What three? They ask a question irrationally. They answer a question irrationally. And when someone else answers a question rationally—with well-rounded, coherent, and relevant words and phrases—they disagree with it. These are the three things by which a fool is known.

Tīhi, bhikkhave, dhammehi samannāgato paṇḍito veditabbo. Katamehi tīhi? Yoniso pañhaṁ kattā hoti, yoniso pañhaṁ vissajjetā hoti, parassa kho pana yoniso pañhaṁ vissajjitaṁ parimaṇḍalehi padabyañjanehi siliṭṭhehi upagatehi abbhanumoditā hoti. Imehi kho, bhikkhave, tīhi dhammehi samannāgato paṇḍito veditabbo. Tasmātiha …pe….

An astute person is known by three things. What three? They ask a question rationally. They answer a question rationally. And when someone else answers a question rationally—with well-rounded, coherent, and relevant words and phrases—they agree with it. These are the three things by which an astute person is known. So you should train …”