The Little Prince is not really for children

I think most people get given this as children and then forget about it. Go back to it. The grown-ups on all those tiny planets, the businessman counting stars he owns and the king ruling nobody, are a lot funnier and sadder once you've become one of them.

It only takes an hour or so. The fox's part is the one everyone quotes, and there's a reason for that. I'd keep a copy around for those days when work has convinced you that matters of consequence are the only ones that count.