sn22.60:9.1 “But sir, what is the cause and reason for the purification of sentient beings?
sn22.60:9.2 How are sentient beings purified with cause and reason?”
sn22.60:9.3 “Mahāli, if form was absolutely pleasurable—soaked and steeped in pleasure and not steeped in pain—sentient beings wouldn’t grow disillusioned with it.
sn22.60:9.4 But because form is painful—soaked and steeped in pain and not steeped in pleasure—sentient beings do grow disillusioned with it.
sn22.60:9.5 Being disillusioned, desire fades away. When desire fades away they are purified.
sn22.60:9.6 This is a cause and reason for the purification of sentient beings.
sn22.60:9.7 This is how sentient beings are purified with cause and reason.