What five? Sāriputta knows what is right, knows principle, knows moderation, knows the right time, and knows the assembly. Possessing these five qualities Sāriputta rightly keeps rolling the supreme Wheel of Dhamma that was rolled forth by the Realized One. And that wheel cannot be turned back by any ascetic or brahmin or god or Māra or divinity or by anyone in the world.”

Numbered Discourses 5.133 14. Kings A Principled King

“Mendicants, even a wheel-turning monarch, a just and principled king, does not wield power without having their own king.”

When he said this, one of the mendicants said to the Buddha, “But who is the king of the wheel-turning monarch, the just and principled king?”

“It is principle, monk,” said the Buddha.

“Monk, a wheel-turning monarch provides just protection and security for his court, relying only on principle—honoring, respecting, and venerating principle, having principle as his flag, banner, and authority.