Who said "My claim is just, therefore my cause is righteous."?

This quote is attributed to Stannis Baratheon.

My claim is just, therefore my cause is righteous. - Stannis Baratheon

"My claim is just, therefore my cause is righteous."

Stannis Baratheon Truth

"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."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."