Who said "I walk where I will. My duty is to the Light, not to any king."?

This quote is attributed to Melisandre.

I walk where I will. My duty is to the Light, not to any kin... - Melisandre

"I walk where I will. My duty is to the Light, not to any king."

Melisandre Freedom

"The night is dark and full of terrors."

"There is no night and day in the void, no time, only darkness and cold."

"I have seen the future in the flames."

"The Lord of Light demands blood."

"Freedom to pursue your passion is precious."

"Freedom comes at a cost."

"Order isn't restriction. It's freedom."

"Freedom comes with responsibility"