Life, Consciousness, and Existence Quotes in The Host

Jeb encourages Wanda to tell stories about her other lives. These stories help the humans learn about the existence of life on other planets and provide them with knowledge that might help in the event of another alien invasion. Better to be safe than sorry.

Wanda takes her alternate lives-style for granted. Her species treats bodies like we treat automobiles. Getting tired of your old clunker? Upgrade to a newer, younger, faster model.

Melanie sums up human existence fairly succinctly here. It's a series of choices, some right, some wrong. We have to live with them either way.