Norm: “You’re a coward. You know that, Chet.”

Chet: “We all are, Norm. That’s why we live in a vault.”

“Listen, you need to go home, miss. Vault Dwellers are an endangered species here. You come from a world of rules, of laws. This place is indifferent to all of that.” - Dr. Siggi Wilzig

Season 1, episode 2. 10:46

"Everyone wants to save the world. They just disagree on how."