ime kho, bhikkhave, pañca cittassa upakkilesā, yehi upakkilesehi upakkiliṭṭhaṁ cittaṁ na ceva mudu hoti na ca kammaniyaṁ, na ca pabhassaraṁ pabhaṅgu ca, na ca sammā samādhiyati āsavānaṁ khayāyā”ti.
These are the five corruptions of the mind. When the mind is corrupted by these it’s not pliable, workable, or radiant. It’s brittle, and not rightly immersed in samādhi for the ending of defilements.”