Majjhima Nikaya (Coleção dos Discursos Médios) 3:103
SUJATOdhammesu dhammānupassī, bhikkhave, tasmiṁ samaye bhikkhu viharati ātāpī sampajāno satimā vineyya loke abhijjhādomanassaṁ.
at that time they meditate observing an aspect of principles—keen, aware, and mindful, rid of covetousness and displeasure for the world.