Vanasaṅyuta

Suttapiṭaka · Saṁyuttanikāya · Sagāthāvaggasaṁyutta · Vol. 15 · Section 761

[761] Thus have I heard. On one occasion a certain bhikkhu was dwelling among the Kosalans in a certain forest thicket. Now on that occasion that bhikkhu, gone for his day's abiding (divāvihāra), was thinking evil, unwholesome thoughts (vitakka) connected with the household life.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 15 · Section 791 — Majjhanhikasutta