Aḍḍhavagga

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 807

[807] For never in this world are enmities (vera) stilled by enmity; but by non-enmity are they stilled — this is an eternal law (dhamma). The Dīghītikosala Jātaka, the first. ____________ 2. The Migapotaka Jātaka

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 27 · Section 1220 — Kosambiyajātaka