Reading guide
The teaching in one sentence
A fool asks badly, answers badly, and cannot assent to a good answer from someone else.
Three moves in a conversation
The Pāli hinge is yoniso and ayoniso — rationally and irrationally, the same pair that runs through the whole collection as the quality of attention. Here it is applied to speech: a question can be put rationally or not, and an answer can be given rationally or not.
That connection is worth drawing. The collection has consistently treated yoniso manasikāra as the hinge on which everything turns — it feeds the hindrances or starves them, it produces right view or wrong view. This discourse says the same quality is visible in how a person conducts a discussion. Asking a question badly is not a social failing; it is attention going wrong, in public.
What a bad question is
The discourse does not define it, and the omission is worth thinking about rather than filling in confidently. But the surrounding material suggests the shape. A question asked ayoniso is one that does not go to the source of the matter — that takes the appearance of a thing at face value, or that is not really asking.
Anyone who teaches will recognize the second category. A question can be a challenge in the grammar of a question, or a demonstration of what the asker already knows, or a request for reassurance. None of these are asking, and none of them can be answered, which is why the discourse pairs the failure with the inability to accept an answer.
The stipulated answer
The third item is the precise one. When someone else answers a question rationally — and the discourse specifies the quality: with well-rounded, coherent, and relevant words and phrases — the fool disagrees with it.
By stipulating that the answer is good, the discourse removes the obvious defense. The disagreement is not a judgment about the answer’s merit, because the merit has been settled by the terms of the case. What is being described is a person who cannot assent — for whom agreement with another’s answer is not an available move.
The astute person is defined by the inversion: they agree with it. That is a low bar stated as a mark of wisdom, and it is worth letting the lowness of it register. The capacity to say yes, that is right about somebody else’s answer is named here, in a chapter about what distinguishes the wise from the foolish, as one of the three marks.
For a classroom
This is the discourse of the chapter most directly usable by anyone who teaches. Its three items map onto three observable behaviors, and a teacher who watches for them will learn more about a room than from any amount of assessment: how people ask, how they answer, and what happens in the room when somebody else says something correct.
It pairs naturally with AN 2.47 in the Twos, on the assembly educated in questioning rather than in fancy talk, where the mark of a good assembly was that its members questioned and examined each other afterward — why does it say this? what does that mean? This discourse is the individual-level version of the same test.
Key terms
The text
Three things by which a fool is known
§1“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.
And an astute person
§2An 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 …”
Self-check quiz
Ten questions. Click an answer to see immediate feedback. No score is recorded — this is for your own checking.