Migapotakajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 810

[810] They who weep and lament weep for one who has died and for one who will die; therefore, O sage, do not weep — the good say that weeping is in vain.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 27 · Section 1076 — Somadattajātaka