4.
The Discourse on Development
400.
"Monks, these four establishments of mindfulness, when developed and cultivated, lead to going from the near shore to the far shore.
"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, lead to going from the near shore to the far shore." The fourth.