Sumaṅgalajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (1) · Vol. 27 · Section 1146

[1146] Reflecting, "I am fiercely angered," a ruler should not yet impose punishment (daṇḍa); for then, groundlessly, in a manner unbefitting himself, he would inflict grievous sufferings (dukkha) upon another.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.