맛지마 니카야 3:89
SUJATOvedanāsu vedanānupassī, bhikkhave, tasmiṁ samaye bhikkhu viharati ātāpī sampajāno satimā vineyya loke abhijjhādomanassaṁ.
at that time they meditate observing an aspect of feelings—keen, aware, and mindful, rid of covetousness and displeasure for the world.