Who said "Be grateful for the chance to do what is right."?

This quote is attributed to Brienne of Tarth.

Be grateful for the chance to do what is right. - Brienne of Tarth

"Be grateful for the chance to do what is right."

Brienne of Tarth Gratitude

"I am no one's daughter now. I am Brienne of Tarth, and I will answer to no man but the Lord of Light."

"The things we love destroy us. Every time."

"I'm not a lady. I'm a warrior."

"Oaths are not words. They are things we do."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"