Who said "Power is knowing what you're capable of."?

This quote is attributed to Arya Stark.

Power is knowing what you're capable of. - Arya Stark

"Power is knowing what you're capable of."

Arya Stark Power

"A girl has no name."

"The north remembers."

"Not today."

"What do we say to the god of death? Not today."

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."