There was a Young Lady of Parma, <br />Whose conduct grew calmer and calmer; <br />When they said, 'Are you dumb?' <br />She merely said, 'Hum!' <br />That provoking Young Lady of Parma.<br /><br />Edward Lear<br /><br />http://www.poemhunter.com/poem/limerick-there-was-a-young-lady-of-parma/
