瑜伽論記 7.60

7.60

Ji also says: 'Where they operate' refers back to the various apertures mentioned above, namely the coarse and fine pores and so forth; that is, the breaths operate in these places. 'Occurring up to [such an extent]' refers back to [the span] from the apertures of the navel up to the navel itself; that is, the breaths enter the body and operate up to the navel. 'Occurring in such a manner' refers back to counting inhalation and exhalation as one being one, and so on; at other times of breathing, they operate according to what is direct or reverse, and so on. 'Occurring at such a time' refers back to the practitioner above who, at such a time, counts one as one and so forth up to ten tens as one; the duration, length, continuity, and so forth, are called 'occurring at such a time'; that is, the counting of breaths should operate for that much time. Because [the breath] is perfected later, it is not referred back to.