Who said "A true king earns his throne through will and strength."?

This quote is attributed to Stannis Baratheon.

A true king earns his throne through will and strength. - Stannis Baratheon

"A true king earns his throne through will and strength."

Stannis Baratheon Leadership

"Duty is the death of love."

"I am of the night."

"The night is dark and full of terrors."

"A king does not ask, he commands."

"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"