Palāsajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 528

[528] "I shall do for you according to my power, having regard, brahmin, for gratitude (kataññutā); for how, having come into the presence of the good, could your strivings be in vain?"

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.