Who said "The past doesn't define who we become."?

This quote is attributed to Gilly.

The past doesn't define who we become. - Gilly

"The past doesn't define who we become."

Gilly Change

"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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."