Culanikasutta 7.1

7.1

Ākaṅkhamāno, ānanda, tathāgato tisahassimahāsahassilokadhātuṃ sarena viññāpeyya, yāvatā pana ākaṅkheyyā”ti.

If he wished, Ānanda, a Realized One could make his voice heard throughout a galactic supercluster, or as far as he wants.”