Ānandabhaddekarattasutta

Suttapiṭaka · Majjhimanikāya · Vol. 14 · Section 547

[547] One should not run back to the past … That one, indeed, is called "one who has one fine night (bhaddekaratta)" — so declares the peaceful sage. Thus spoke the Blessed One. Elated, the venerable Ānanda rejoiced in the Blessed One's utterance. The Ānandabhaddekaratta Sutta, the second, is concluded. __________ The Mahākaccānabhaddekaratta Sutta

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 14 · Section 578 — Lomasakaṅgiyabhaddekarattasutta