成唯識論演祕 4.127

4.127

答：《攝論》意明業染之義，有有業種，餘支不然，故不明也。或舉前後以示方隅。前釋為正。

Answer: The intention of the Mahāyānasaṃgraha is to clarify the meaning of karmic defilement: existence possesses the seeds of karma, while the other branches do not; hence it does not clarify them. Alternatively, it adduces the beginning and the end to show a general guideline. The first explanation is correct.