釋禪波羅蜜次第法門 6.136

6.136

二、明支者，如《纓絡經》說：「四空，五支，方便道同，用相似故。」例如空處，不煩更說。

2. Explaining the factors: as the Yingluo jing says: 'In the four formless absorptions, there are five factors; their paths of expedient means are identical, and their functions are similar.' Following the analogy of the sphere of space, there is no need to repeat it.