7.
The Discourse on the Noble
383.
"Monks, these four establishments of mindfulness, when developed and cultivated, are noble, leading to liberation, and lead one who practises them to the complete elimination of suffering.
Which four?
Here, monks, a monk dwells observing the body in the body, ardent, fully aware, mindful, having removed covetousness and displeasure regarding the world;
in feelings... etc.
In mind... etc.
He dwells observing mental phenomena in mental phenomena, ardent, fully aware, mindful, having removed covetousness and displeasure regarding the world.
These, monks, are the four establishments of mindfulness which, when developed and cultivated, are noble, leading to liberation, and lead one who practises them to the complete elimination of suffering."
The seventh.