Who said "I do not sleep while my enemies plot against me."?

This quote is attributed to Stannis Baratheon.

I do not sleep while my enemies plot against me. - Stannis Baratheon

"I do not sleep while my enemies plot against me."

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."