仁王護國般若波羅蜜多經疏 2.90

2.90

解曰：下明三界分段生死。言有情者，有情世間。言果報者，六趣業果。言三界者，外器世間。言虛妄者，此二因果皆不實也。如《不增不減經》云「清淨法身為諸煩惱之所漂動，往來生死，名為眾生。」明諸有情本性清淨，謂因無明業所漂動，長眠三界流轉六趣往來生死，猶如伎兒種種變現，皆虛妄故。從此第二釋三界業。於中分三：且初第一明欲界業。

Exposition: Below clarifies the fragmented birth-and-death of the three realms. "Sentient beings" refers to the realm of sentient beings. "Retribution" refers to the karmic fruit of the six destinies. "Three realms" refers to the external container world. "False and deceptive" means that the causes and effects of both are unreal. As the Anūnatvāpūrṇatvanirdeśa Sūtra says: "The pure dharmakāya, drifted and agitated by defilements, wandering through birth-and-death, is called a sentient being." This clarifies that sentient beings are by original nature pure; drifted and agitated by ignorance and karma, they sleep long in the three realms, transmigrating through the six destinies, wandering through birth-and-death, just like actors performing various illusions, all being false and deceptive. Next is the second: explaining the karma of the three realms. This is divided into three: first, clarifying the karma of the desire realm.