Who said "Patience is for those without power."?

This quote is attributed to Lannister.

Patience is for those without power. - Lannister

"Patience is for those without power."

Lannister Patience

"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."

"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."