Who said "I shall not rest until the throne is secured."?

This quote is attributed to Stannis Baratheon.

I shall not rest until the throne is secured. - Stannis Baratheon

"I shall not rest until the throne is secured."

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."