Who said "Strength is demonstrated through action, not words."?

This quote is attributed to Lannister.

Strength is demonstrated through action, not words. - Lannister

"Strength is demonstrated through action, not words."

Lannister Strength

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."