Who said "She had to be strong now"?

This quote is attributed to Arya Stark.

She had to be strong now - Arya Stark

"She had to be strong now"

Arya Stark Strength

Character in A Storm of Swords

Buy "A Storm of Swords" on Amazon

"All men must die"

"A girl has a name"

"I am no one."

"Fear cuts deeper than swords."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."