[687] "And what, bhikkhu, is the air element (vāyodhātu)? The air element (dhātu) may be internal, or it may be external. And what, bhikkhu, is the internal air element? Whatever internally, belonging to oneself, is air, airy, and appropriated (upādinna), that is: winds going upward, winds going downward, winds in the belly, winds in the bowels, winds that course through the limbs great and small, in-breathing and out-breathing, or whatever else internally, belonging to oneself, is air, airy, and appropriated — this, bhikkhu, is called the internal air element. Now both the internal air element and the external air element are simply the air element. That should be seen as it really is with right wisdom thus: 'This is not mine, this I am not, this is not my self.' Having seen it thus as it really is with right wisdom, one becomes disenchanted with the air element and detaches the mind (citta) from the air element."
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.