Who said "My enemies are the enemies of the realm itself."?

This quote is attributed to Stannis Baratheon.

My enemies are the enemies of the realm itself. - Stannis Baratheon

"My enemies are the enemies of the realm itself."

Stannis Baratheon War

"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."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."