Who said "The Many-Faced God takes many forms."?

This quote is attributed to Arya Stark.

The Many-Faced God takes many forms. - Arya Stark

"The Many-Faced God takes many forms."

Arya Stark Philosophy

"A girl has no name."

"The north remembers."

"Not today."

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

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."