The History of Buddhist Thought c17.27

c17.27

(iii) *Arūpāvacara* is the formless world, in which there is only the sense of mind. The four abodes are the stages of the four Attainments: (a) in which there is the perception, “space is infinite”; (b) in which there is the perception, “consciousness is infinite”; (c) in which there is the perception, “there is nothing”; (d) the fourth is the stage of neither consciousness nor non-consciousness. It reaches to the limit of existence (bhavāgra), through which a being may transmigrate.