1.
The Discourse on the Great Fruit of Bones
238.
At Sāvatthī.
"The perception of a skeleton, monks, when developed and cultivated, is of great fruit and great benefit.
And how, monks, is the perception of a skeleton developed, how is it cultivated, so that it is of great fruit and great benefit?
Here, monks, a monk develops the enlightenment factor of mindfulness accompanied by the perception of a skeleton, based upon seclusion, based upon dispassion, based upon cessation, maturing in release, etc.
He develops the enlightenment factor of equanimity accompanied by the perception of a skeleton, based upon seclusion, based upon dispassion, based upon cessation, maturing in release.
Thus developed, monks, the perception of a skeleton, thus cultivated, is of great fruit and great benefit."