金光明經文句記 5.203

5.203

二、「以是」下，益所化經，三：初、未種令種；二、「若有」下，已種令熟；三、「無量」下，已熟令脫。問：既得智聚又攝福聚，斯乃真似二種莊嚴，合居方便及實報土。經那但云無量千劫人天受樂？答：須知十益皆悉不離二十五有。此中乃是人天方便、人天實報。故《仁王般若》云「出三界外更有眾生界者，此是外道大有經說。」須知四土若橫若竪，秖在三界一處而論。學者宜審。

Second, from "Therefore" downward, [the sūtra] explains the benefits regarding the sūtra for those who are transformed, in three parts: first, causing those who have not planted [roots of goodness] to plant them; second, from "If there are" downward, causing those who have already planted them to mature; third, from "Immeasurable" downward, causing those who have matured to attain liberation. Question: Since they have attained the accumulation of wisdom and also gathered the accumulation of merit, these are the two kinds of adornment, true and resembling, which ought to dwell in the Land of Expediency and the Land of Real Reward. Why does the sūtra only say that they will enjoy pleasure among humans and devas for immeasurable thousands of kalpas? Answer: One must know that the ten benefits are all never apart from the twenty-five states of existence. Here it refers to the expediency of humans and devas, and the real reward of humans and devas. Therefore, the Benevolent King Prajñā Sūtra states: "If one says there is another realm of sentient beings outside the three realms, this is what the Non-Buddhist Great Existence Sūtra teaches." One must know that whether the four lands are considered horizontally or vertically, they are discussed only in the single locus of the three realms. Learners should examine this carefully.