Vasijatasutta 6.8

6.8

evameva kho, bhikkhave, bhāvanānuyogaṃ anuyuttassa bhikkhuno viharato appakasireneva saṃyojanāni paṭippassambhanti pūtikāni bhavantī”ti.

In the same way, when a mendicant is committed to development their fetters readily collapse and rot away.”