瑜伽論記 15.201

15.201

一、當知此諸心，唯緣非安立諦境者，即知見道三心雖復約詮言緣人假及法等，理實唯緣真如非安立境。

The first says: "It should be known that these minds observe only the unposited truth": that is, know that although the three minds of the path of seeing are spoken of in terms of verbal expressions as observing the conceptual designations of persons, dharmas, and so forth, in reality they observe only tathatā, the unposited truth.