Who said "I've learned that solitude is sometimes safer."?

This quote is attributed to Gilly.

I've learned that solitude is sometimes safer. - Gilly

"I've learned that solitude is sometimes safer."

Gilly Solitude

"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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."