Suppose that, upon checking, a mendicant knows that there are such bad, unskillful qualities. Then in order to give them up they should apply extraordinary enthusiasm, effort, zeal, vigor, perseverance, mindfulness, and situational awareness. Suppose your clothes or head were on fire. In order to extinguish it, you’d apply extraordinary enthusiasm, effort, zeal, vigor, perseverance, mindfulness, and situational awareness. In the same way, in order to give up those bad, unskillful qualities, that mendicant should apply extraordinary enthusiasm …

But suppose that, upon checking, a mendicant knows that there are no such bad, unskillful qualities. Then that mendicant should meditate with rapture and joy, training day and night in skillful qualities.

Mindfulness of death, when developed and cultivated in this way, is very fruitful and beneficial. It has freedom from death as its objective and culmination.”

Numbered Discourses 6.21 3. Unsurpassable At Sāma Village