大乘起信論義記 2.219

2.219

Second, in the mark of continuation, "based on cognition" explains that upon which it arises: relying on the preceding differentiation, it gives rise to pleasant sensations regarding pleasant objects and painful sensations regarding unpleasant objects, repeatedly giving rise to thoughts that continuously appear before it. This explains one's own continuity. Furthermore, it can give rise to afflictions that moisturize karma and sustain saṃsāra, thereby causing the continuity of other [rebirths]; hence the text below says: "maintaining suffering and pleasure," and so on. Therefore it says, "it produces... uninterrupted."