Who said "The past is a ghost that won't let go."?

This quote is attributed to Valkyrie.

The past is a ghost that won't let go. - Valkyrie

"The past is a ghost that won't let go."

Valkyrie History

"I'm not a people person."

"Scrapper 142 - that was my name. Not a great name, but it's what I had."

"You're a good warrior. Too bad you're also stupid."

"I've been fighting my whole life. It's the only thing I know."

"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."