瑜伽論記 7.535

7.535

第三解六界觀中，初、通觀內外諸界；二、復有異門下，唯觀內身六界。前中復三：初、觀麁六界；第二、又於如是四大種中下，假想以細折麁；第三、若於自身已下，明趣入念住。

In the third section, which explains the contemplation of the six elements: first, contemplating both internal and external elements throughout; second, from "furthermore, there is another gateway" below, contemplating solely the six elements of the internal body. The former also has three parts: first, contemplating the coarse six elements; second, from "furthermore, within these four great elements" below, using provisional conception to analyze the coarse into the subtle; third, from "if regarding one's own body" below, clarifying the entry into the applications of mindfulness.