They meditate observing an aspect of feelings—keen, aware, and mindful, rid of covetousness and displeasure for the world. As they do so they completely understand feelings. When feelings are completely understood they realize freedom from death.

They meditate observing an aspect of the mind—keen, aware, and mindful, rid of covetousness and displeasure for the world. As they do so they completely understand the mind. When the mind is completely understood they realize freedom from death.

They meditate observing an aspect of principles—keen, aware, and mindful, rid of covetousness and displeasure for the world. As they do so they completely understand principles. When principles are completely understood they realize freedom from death.”

Linked Discourses 47.39 4. Not Learned From Anyone Else Development

“Mendicants, I will teach you the development of the four kinds of mindfulness meditation. Listen … And what is the development of the four kinds of mindfulness meditation? It’s when a mendicant meditates by observing an aspect of the body—keen, aware, and mindful, rid of covetousness and displeasure for the world. They meditate observing an aspect of feelings … mind … principles—keen, aware, and mindful, rid of covetousness and displeasure for the world. This is the development of the four kinds of mindfulness meditation.”

Linked Discourses 47.40 4. Not Learned From Anyone Else Analysis