Who said "A true lady knows when to speak and when to listen."?

This quote is attributed to Margaery Tyrell.

A true lady knows when to speak and when to listen. - Margaery Tyrell

"A true lady knows when to speak and when to listen."

Margaery Tyrell Patience

"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."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."