Who said "A king without cunning is merely a peasant with a crown."?

This quote is attributed to Lannister.

A king without cunning is merely a peasant with a crown. - Lannister

"A king without cunning is merely a peasant with a crown."

Lannister Leadership

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"