Ramanujacharya's Brahma Sutra Bhashya translated By George Thibaut
SriBhashya - Ramanuja's Commentary On Brahma Sutra (Vedanta Sutra)

18. Not in the case of the third (place), as it is thus perceived.

The third 'place' does not, for the origination of a new body, depend on the fifth oblation. The term,'the third

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place,' denotes mere evil-doers. That these do not, for the origination of a new body, depend on the fifth oblation, is seen from Scripture. For, in answer to the question 'Do you know why that world never becomes full?' the text says, 'On neither of these two ways are those small creatures continually returning, of whom it may be said, Live and die. This is the third place. Therefore that world never becomes full.' As this passage states that in consequence of 'the third place' (i.e. the creatures forming a third class) not ascending to and descending from the heavenly world that world never becomes full, it follows that that third place does not, for the origination of bodies, depend on the fifth oblation. The clause, 'in the fifth oblation,' moreover, merely states that the connexion of water with the fifth fire is the cause of the water 'being called man' (i. e. becoming an embryo), but does not deny the origination of embryos in other ways; for the text contains no word asserting such a limitation.