The Tipiṭaka in Three Languages

Sīlasaṁpadāsutta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 140

[140] Setting at Sāvatthī. Bhikkhus, of the rising of the sun, this is the forerunner, this is the precursor: namely, the breaking of dawn. Even so, bhikkhus, for a bhikkhu, of the arising of the Noble Eightfold Path (magga), this is the forerunner, this is the precursor: namely, accomplishment in virtue (sīlasampadā). …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 2 other places