俱舍論疏 23.44

23.44

論「然此忍法至相隣接故」，此明三忍境不同也。下、中忍具觀上、下八諦各具四行，上忍唯欲苦諦一行，一剎那也。

[On] the treatise's: "Yet this dharma of Acceptance... because they are adjacent", this explains that the objects of the three [grades of] Acceptance are different. Lower and intermediate Acceptance fully contemplate the eight truths of the upper and lower [realms], each possessing four aspects; upper Acceptance is exclusively a single aspect of the truth of suffering of the desire realm, for a single moment.