Who said "My resolve is like iron. It does not bend."?

This quote is attributed to Stannis Baratheon.

My resolve is like iron. It does not bend. - Stannis Baratheon

"My resolve is like iron. It does not bend."

Stannis Baratheon Perseverance

"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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."