Cetokhilasutta 7.2

7.2

evamevaṃ kho, bhikkhave, yassa kassaci bhikkhussa vā bhikkhuniyā vā ime pañca cetokhilā appahīnā ime pañca cetasovinibandhā asamucchinnā, tassa yā ratti vā divaso vā āgacchati hāniyeva pāṭikaṅkhā kusalesu dhammesu no vuddhi.

In the same way, a monk or nun who has not given up these five kinds of hard-heartedness and has not severed these five shackles of the heart can expect decline, not growth, in skillful qualities, whether by day or by night.