Reading guide
The teaching in one sentence
Keep the four times in rotation and they will fill something much larger than any of them.
What is added to AN 4.146
Two things. First a claim: sammā bhāviyamānā sammā anuparivattiyamānā anupubbena āsavānaṁ khayaṁ pāpenti — rightly developed, rightly kept turning, they gradually bring about the ending of the defilements.
The second word in that phrase is the interesting one. Anuparivattati is to revolve, to keep going round, and it is not the ordinary verb for practicing something. It suggests a rotation among the four rather than progress through them — you come back round to listening after discernment, and round again.
Second, anupubbena, gradually, by stages, step by step. The result is not promised suddenly or in proportion to any single session. It is promised as an accumulation.
That pair of words is doing more work than the simile is, and it is easy to miss because the simile is memorable and they are not.
The rain, and where it goes
The image is worth reading slowly, because it is built as a chain and every link is named: rain on a mountain top; the water flowing downhill; hollows, crevices, and creeks; then pools; then lakes; then streams; then rivers; then the ocean.
Six stages between the rain and the sea, and at each stage the same thing happens — something fills up and then, being full, fills the next thing.
The mechanism the simile encodes is that nothing is transferred until something is complete. A half-full hollow feeds nothing. This is a picture of thresholds, and it is an unusually exact one for a tradition often content with a general image of growth.
The other thing the simile supplies is scale. Rain on a mountain and the ocean are wildly different quantities, and the discourse insists on every intermediate step rather than jumping from the first to the last. Whoever built this image wanted the distance felt.
What the simile does not say
It does not say how long. Anupubbena covers any duration.
It does not say the rain is effortful or that anything is being forced. Water runs downhill; the simile is of something proceeding by its own nature once it has fallen.
That is a mild and easily missed claim. The four times are the rain. What happens after them — the filling, the overflowing, the arriving — is not described as another thing to be done.
And it does not say the practitioner sees any of it. The hollows and pools do not know they are on the way to the ocean. A reader looking for reassurance that progress is detectable will not find it here, and the simile arguably says the opposite.
The claim about defilements
Āsava, defilement or influx, is the term whose ending is the canon’s standard description of arahantship: āsavānaṁ khayā, with the ending of defilements.
So this discourse, five lines long, attaches the highest result in the system to four ordinary occasions: listening, discussing, and two kinds of solitary work. There is no mention of absorption, of the factors of awakening, of the path, or of anything technical.
That is worth saying plainly, because it is easy to read this discourse as a note about study habits. It is not. It is a claim that the ordinary rhythm of a practicing life, kept in rotation, is sufficient.
Whether that claim is complete on its own is a separate question, and the collection elsewhere fills in a great deal that is missing here. But the claim as stated is not hedged, and a reading guide should not hedge it either.
Teaching it
The pair AN 4.146 and AN 4.147 make an unusually self-contained teaching for a class: four activities, a rotation, and one image.
The most useful question to put after it is about the rotation rather than the items. Which of the four has not come round for a while? Most people can answer that immediately, and the answer is usually either discussion or the last one.
After this the chapter turns to speech, with four kinds of bad verbal conduct in AN 4.148 and their four opposites in AN 4.149, and then closes with the heartwood.
Key terms
The text
The four times, rightly developed
§1“Mendicants, when these four times are rightly developed and reiterated, they gradually lead to the ending of defilements. What four? A time for listening to the teaching, a time for discussing the teaching, a time for serenity, and a time for discernment.
Rain on the mountain
§2It’s like when the heavens rain heavily on a mountain top, and the water flows downhill to fill the hollows, crevices, and creeks. As they become full, they fill up the pools. The pools fill up the lakes, the lakes fill up the streams, and the streams fill up the rivers. And as the rivers become full, they fill up the ocean. In the same way, when these four times are rightly developed and reiterated, they gradually lead to the ending of defilements.”
Self-check quiz
Ten questions. Click an answer to see immediate feedback. No score is recorded — this is for your own checking.