Mahāparinibbāna Sutta 1.11.8

1.11.8

Yāvakīvañca, bhikkhave, bhikkhū yāni tāni sīlāni akhaṇḍāni acchiddāni asabalāni akammāsāni bhujissāni viññūpasatthāni aparāmaṭṭhāni samādhisaṃvattanikāni tathārūpesu sīlesu sīlasāmaññagatā viharissanti sabrahmacārīhi āvi ceva raho ca, vuddhiyeva, bhikkhave, bhikkhūnaṃ pāṭikaṅkhā, no parihāni.

As long as the mendicants live according to the precepts shared with their spiritual companions, both in public and in private—such precepts as are intact, impeccable, spotless, and unmarred, liberating, praised by sensible people, not mistaken, and leading to immersion—they can expect growth, not decline.