成唯識論述記 2.951

2.951

論：此正因緣至出世心種。

Treatise: This direct cause-condition [is subtle, hidden, and hard to comprehend; hence treaties such as the Mahāyānasaṃgraha provisionally speak of the coarse and apparent sāsrava perfuming of hearing, which is a superior predominant condition, as] the seeds of the supramundane mind.