You can't trust the 'specials' like the old time 'coppers' When you can't find your way home.
Source: Song, Don't Dilly-Dally on the Way, 1919; in Oxford Dictionary of Modern Quotations, by Tony Augarde, 1991.
-- Marie Lloyd, (Feb 12 1870-1922), English singer; She was a music-hall artiste of the late 19th century, who became well known in the London, or Cockney, low comedy then popular.