Who said "You can't put the knife back in the sheath."?

This quote is attributed to Littlefinger.

You can't put the knife back in the sheath. - Littlefinger

"You can't put the knife back in the sheath."

Littlefinger Change

"Chaos isn't a pit. Chaos is a ladder."

"Knowledge is power, but power without wisdom is destruction."

"The world is not kind to those who hesitate."

"A man with no debts is a man with no leverage."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."