Who said "I have always been clever, and it has served me well."?

This quote is attributed to Lannister.

I have always been clever, and it has served me well. - Lannister

"I have always been clever, and it has served me well."

Lannister Education

"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."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."