成唯識論述記 4.703

4.703

述曰：入涅槃已二道應生，許無因生故。彼若救言：入涅槃已道無所依身，故入涅槃已遂更不生已。

The Commentary states: Once having entered nirvāṇa, the two paths should arise, because it is admitted that they arise without a cause. If they attempt to save their position by saying: 'After entering nirvāṇa, the path lacks a bodily support (āśraya); therefore after entering nirvāṇa it definitely does not arise again,' [the Treatise responds:]