Who said "A smile can hide a thousand daggers."?

This quote is attributed to Littlefinger.

A smile can hide a thousand daggers. - Littlefinger

"A smile can hide a thousand daggers."

Littlefinger

"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."