Sīlavīmaṅsajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 620

[620] Without hope, one sleeps happily; hope, when it bears fruit, is pleasant. Having made her hope hopeless, Piṅgalā sleeps happily.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.