Billy was displayed [on Tralfamadore] in the zoo in a simulated Earthling habitat. Most of the furnishings had been stolen from the Sears Roebuck warehouse in Iowa City, Iowa. (5.38.1)
"Did you hear what I said?" Barbara inquired. It was 1968 again.
"Of course." [Billy] had been dozing.
"If you're going to act like a child, maybe we'll just have to treat you like a child." (5.59.1-3)
You lads are leaving this afternoon for Dresden – a beautiful city, I'm told. You won't be cooped up like us. You'll be out where the life is, and the food is certain to be more plentiful than here. If I may inject a personal note: It has been five years now since I have seen a tree or flower or woman or child – or a dog or a cat or a place of entertainment, or a human being doing useful work of any kind. (6.14.5)