Who said "We can't afford to be weak or naive."?

This quote is attributed to Andrea.

We can't afford to be weak or naive. - Andrea

"We can't afford to be weak or naive."

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."