Diversity Our Strength
This motto was adopted for the coat of arms for the new City of Toronto.
It replaced the slogan used by the former City of Toronto since its incorporation in 1834 - "Industry, Intelligence, Integrity." See John Spears, "Toronto Approves New Coat of Arms," Toronto Star, Thursday, 29 October 1998, B3.
Down the QEW, apparently The City of Burlington apparently are copy cats.