Who said "I am grateful for every opportunity to better myself."?

This quote is attributed to Margaery Tyrell.

I am grateful for every opportunity to better myself. - Margaery Tyrell

"I am grateful for every opportunity to better myself."

Margaery Tyrell Gratitude

"A woman's greatest weapon is the ability to make men want to please her."

"I do love the people of the Reach, truly I do."

"The rose has thorns as well as beauty."

"Every woman wants to be a queen in her own right."

"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"