what did Fern's Father say in Chapter 1 that lets you know he has a sense of Humor?

When Fern's brother asks if he can have a pig too, his father answers;

"No, I only distribute pigs to early risers," said Mr. Arable. "Fern was up at daylight, trying to rid the world of injustice. As a result, she now has a pig. A small one, to be sure, but nevertheless a pig. It just shows what can happen if a person gets out of bed promptly. Let's eat!"