“Mendicants, when mindfulness of breathing is developed and cultivated it’s very fruitful and beneficial. …”
“Ānāpānassati, bhikkhave, bhāvitā …pe…” dasamaṁ. Ānāpānavaggo sattamo.
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Aṭṭhikapuḷavakaṁ vinīlakaṁ, Vicchiddakaṁ uddhumātena pañcamaṁ; Mettā karuṇā muditā, Upekkhā ānāpānena te dasāti.