Who said "Say something in German."?

This quote is attributed to Rudy Steiner.

Say something in German. - Rudy Steiner

"Say something in German."

Rudy Steiner

Character in The Book Thief

Buy "The Book Thief" on Amazon

"The night is a big place."

"You're wasting your time with me."

"The only thing worse than a boy who hates you: a boy that loves you."

"I'm not stupid, you know."