Who said "I learned a lot here."?

This quote is attributed to Arya Stark.

I learned a lot here. - Arya Stark

"I learned a lot here."

Arya Stark Knowledge

"A girl has no name."

"The north remembers."

"Not today."

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

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."