瑜伽論記 7.399

7.399

述曰：其安住通三力，若觀未成即初二力收，若觀行成即憶念力收，以最初錄心於內時暫即相續澄淨方便收，非已得安住，此乃初作安住觀心，後憶念力安住觀成方憶念力。又等遍安住之言即顯等住一種非取安住，以等遍於諸麁動法等安住為初二力。

The commentary states: Settled abiding extends across three powers. If contemplation is not yet perfected, it is subsumed under the first two powers; if contemplative practice is perfected, it is subsumed under the power of mindfulness. Because when initially collecting the mind within, for a short while it is subsumed under continuous and clearing expedient means, not that settled abiding has already been attained; this is initially making the contemplative mind of settled abiding, and later through the power of mindfulness, when the contemplation of settled abiding is perfected, only then is it the power of mindfulness. Furthermore, the phrasing 'equally and universally settling' indicates the single state of equipoised abiding and does not take settled abiding; for equally and universally settling amidst coarse, fluctuating phenomena constitutes the first two powers.