俱舍論頌疏論本 22.35

22.35

Question: "Why is it necessary to establish these four noble lineages?" / Answer: "The verse says: 'The three are requisites for living, the last is activity.' The first three noble lineages are requisites for living that assist the path; the last noble lineage is the activity that assists the path. Because the disciples have renounced worldly requisites for living and worldly activities, the World-Honoured One, out of compassion, established these requisites for living and activities that assist the noble path, so that practitioners may attain liberation before long."