Bālapaṇḍitasutta

Suttapiṭaka · Majjhimanikāya · Vol. 14 · Section 499

[499] Bhikkhus, there is yet another thing: a wheel-turning monarch has little affliction and little illness; he is endowed with an even digestion (gahaṇī), neither too cold nor too hot, far surpassing other human beings. Bhikkhus, a wheel-turning monarch is endowed with this third blessing (iddhi).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.