Namo tassa bhagavato arahato sammā-sambuddhassa
10. Ātappakaranīyasuttaṁ
Mortification
[50] Bhikkhus, on three instances mortification should be done. What three? For the not arising of non arisen demeritorious thoughts, for the arising of not arisen meritorious thoughts and for enduring sharp, rough disagreeable bodily feelings of the nature of ending life. Bhikkhus, on these three instances mortification should be done. Bhikkhus, when the bhikkhu tortures himself for the not arising of non arisen demeritorious thoughts, for the arising of not arisen meritorious thoughts and for enduring sharp, rough disagreeable, bodily feelings of the nature of ending life, it is said that the bhikkhu does the mortification mindfully and cleverly for the rightful ending of unpleasantness.