大乘起信論義記 3.30

3.30

Second, the continuation-conjoined [defilement]: among the five manas it is named the continuing consciousness, and among the six coarse marks it is named the continuing mark. Merely clinging to phenomena continuously arising life after life without cessation, "non-continuation" [or non-interruption] is precisely the name for continuation. From the ten understandings onward, cultivating the skillful means of investigation in the contemplation of consciousness-only, up to the first ground where one realizes the three self-naturelessnesses and all-pervading tathatā, the discrimination of clinging to phenomena cannot become active; therefore it is said that it is "ultimately separated upon attaining the stage of the pure mind".