7.
The Discourse on the Complete
393.
The same source.
Seated to one side, the venerable Sāriputta said this to the venerable Anuruddha -
"'One beyond training, one beyond training', friend Anuruddha, is said.
In what way, friend, is one beyond training?"
"Because of complete development of the four establishments of mindfulness, friend, one is beyond training."
"Which four? Here, friend, 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. Because of complete development of these four establishments of mindfulness, friend, one is beyond training." The seventh.