Who said "I came to kill the queen, not save her."?

This quote is attributed to Arya Stark.

I came to kill the queen, not save her. - Arya Stark

"I came to kill the queen, not save her."

Arya Stark Justice

"A girl has no name."

"The north remembers."

"Not today."

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

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."