Who said "I have my doubts, but we shall see."?

This quote is attributed to Lannister.

I have my doubts, but we shall see. - Lannister

"I have my doubts, but we shall see."

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."