"'They gave it me,' Humpty Dumpty continued thoughtfully, as he crossed one knee over the other and clasped his hands round it, 'they gave it me—for an un-birthday present.' 'I beg your pardon?' Alice said with a puzzled air. 'I'm not offended,' said Humpty Dumpty. 'I mean, what is an un-birthday present?' 'A present given when it isn’t your birthday, of course.'"