“Thanks," he said. "De nada," said Julius. "What does that mean?" said Charlie. "It's nothing, in Spanish." said Julius. "I mean, it means nothing, the word nothing, not that it doesn't mean anything, though of course it doesn't mean anything, it means something: it means nothing. Nothing is what it means. Not that it doesn't mean anything." "No, it means nothing, I know what you mean." said Charlie with a straight face. They started to giggle.”