Versified Reply To An Invitation

  versified reply to an invitation
  sir,
  yours this moment i unseal,
  and faith i'm gay and hearty!
  to tell the truth and shame the deil,
  i am as fou as bartie:
  but foorsday, sir, my promise leal,
  expect me o' your partie,
  if on a beastie i can speel,
  or hurl in a cartie.
  yours,
  robert burns.
  mauchlin, monday night, 10 o'clock.