Who said "The past cannot be changed, only learned from."?

This quote is attributed to Lannister.

The past cannot be changed, only learned from. - Lannister

"The past cannot be changed, only learned from."

Lannister History

"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."

"I've seen a lot of things in my time."

"That's how we archaeologists tell time."

"We must learn from history or be doomed to repeat it."

"Every artifact tells a story."