Nissayasutta 1.4

1.4

“Saddhañce, bhikkhu, bhikkhu nissāya akusalaṃ pajahati kusalaṃ bhāveti, pahīnamevassa taṃ akusalaṃ hoti.

“Mendicant, if a mendicant supported by faith gives up the unskillful and develops the skillful, the unskillful is actually given up by them.