Bruno: We're not supposed to be friends, you and me. We're meant to be enemies. Did you know that?
Jewish Man: No, it's just a shower.
Mother: No Ralph No, not that... That isn't war.
Father: The fatherland we all desire cannot be achieved without work such as this.
Mother: Don't touch me.
Bruno: Dad's a good man.
Gretel: Of course he is.
Bruno: He used to be a doctor once, but gave it all up to peel potatoes.
Grandpa: You know, Ralf, your mother really is sick. She's been talking about this visit for weeks.
Mother: Maybe that's what's made her sick.
Pavel - Jewish servant: I practiced as a doctor.
Bruno: You must not have been very good then, if you had to practice.
Bruno: It's not fair you've got a nicer view.
Gretel: I'm not swapping.
Mother: Ralf, you promised: You said it was miles away... One of them was in our kitchen.
Lieutenant Kotler: They smell worse when they burn, don't they?
Lieutenant Kotler: How dare you talk to someone in the house? How dare you? Have you been stealing from the house?.. When I come back, we'll have a little chat about what happens to rats who steal.
Answer: Samuel knew the dangers of the camp and knew that trying to escape would result in death. He knows Bruno is likely to be allowed IN to the camp as he is a German and Germans are running the camp. Plus, if Shmuel did escape, where would he go? He's 8, on his own and alone in the woods.