The Man in the High Castle

by Philip K. Dick

He wondered if they, too, sensed the unbridgeable gap between themselves and him. Hope so, he thought. They deserve to. A shame—just have to ferret out book’s message on their own. He ate with more enjoyment.

Found this very sad for some reason. Childan's complete inability to understand why the Japanese couple is saddened by his remarks does show an unbridgeable gap between them, just not the one he thinks is there.