成唯識論演祕 4.487

4.487

The explanation states: An uncontaminated concentrated mind taking thusness as object is called the signless concentration. Either the associated equanimity is mixed with defilements, or it is bound by conditions; the seeds of defilement that can mix with or condition the faculty of equanimity are called the gross heaviness of equanimity, and abandoning these defilement seeds is called abandoning the dormant tendencies. In terms of abandoning such things, it is called abandoning the faculty of equanimity; it is not abandoning manifest feeling. The remainder of the text can be understood.