Who said "I've come to understand that strength is complicated."?

This quote is attributed to Gilly.

I've come to understand that strength is complicated. - Gilly

"I've come to understand that strength is complicated."

Gilly Strength

"I'm not a clever man, but I can see things. Things that others cannot."

"The wildlings are more than just raiders and thieves. They're people trying to survive."

"I've seen things beyond the Wall that would make your blood run cold."

"Sometimes the smallest person can make the biggest difference."

"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."