瑜伽師地論略纂 5.93

5.93

第三段釋小、大、無量三摩地，文有三。第三、釋無量中，文有四：初、釋無量義；次、釋修無量方便經；三、釋四無量行相差別；四、釋無量差別經。

The third section explains the small, great, and immeasurable samādhis; the text has three parts. In the third, explaining the immeasurables, the text has four parts: first, explaining the meaning of "immeasurable"; second, explaining the sūtra on the preparatory practices for cultivating the immeasurables; third, explaining the differences in the cognitive aspects of the four immeasurables; fourth, explaining the sūtra on the distinctions of the immeasurables.