俱舍論疏 29.29

29.29

論「謂欲未至至能斷諸惑」，釋上加行位制伏嗔等。謂在欲界聞、思心中及未至定，先修無量，為斷道加行伏嗔等，引斷道生斷嗔等惑，方生根本四無量也。說能治四障者，據加行說。

The Śāstra states: "Namely, in the desire realm and the not-yet-arrived... up to: can sever the various defilements." This explains the suppression of ill-will and so forth in the preparatory stage mentioned above. Namely, in the mind of hearing and reflection in the desire realm and in the not-yet-arrived absorption, one first cultivates the immeasurables as the preparatory practice for the path of abandoning to suppress ill-will and so forth, inducing the path of abandoning to arise to sever defilements such as ill-will, and only then do the fundamental four immeasurables arise. Stating that they can counteract the four obstacles is spoken in terms of the preparatory stage.