Mahāsutasomajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (2) · Vol. 28 · Section 323

[323] "Young man (māṇava), you are handsome; you were born in a family of learned brahmins (sotthiya). You ought not, my dear boy, to eat what ought not to be eaten."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.