Who said "We do what we have to do to survive."?

This quote is attributed to Andrea.

We do what we have to do to survive. - Andrea

"We do what we have to do to survive."

Andrea

"We're not just surviving anymore. We're actually living."

"I've learned that the dead don't stay dead in this world."

"You have to have hope. Without it, what's the point?"

"I'm not the same person I was before. None of us are."