“Mendicants, when mindfulness of breathing is developed and cultivated it’s very fruitful and beneficial. …” “Ānāpānassati, bhikkhave, bhāvitā …pe…”

Ānāpānavaggo sattamo.

Tassuddānaṁ

Aṭṭhikapuḷavakaṁ vinīlakaṁ, Vicchiddakaṁ uddhumātena pañcamaṁ; Mettā karuṇā muditā, Upekkhā ānāpānena te dasāti.