April 14, 2010, at a Tea Party Express bus stop in Boston, Massachusetts.
Source: http://necn.platformicstaging.com/04/14/10/Mark-Williams-Political-correctness-led-/landing.html?blockID=215988&feedID=4215
“Politically correct is the language of cowardice.”
An Audience With Billy - 1985
Help us to complete the source, original and additional information
Billy Connolly 23
British comedian 1942Related quotes

no longer applies. We no longer live in a truly democratic republic.
2010s, State of Emergency (2006)

Quoted in News.com.au, "Abbott OK being a 'lame, gay, churchy loser'" in news.com.au from all angles http://web.archive.org/web/20090829085019/http://www.news.com.au/story/0,27574,25992545-421,00.html, August 28 2009.
2009

Engineering Souls http://www.city-journal.org/html/17_2_sndgs03.html (March 22, 2007).
City Journal (1998 - 2008)

“If names be not correct, language is not in accordance with the truth of things.”
名不正,则言不顺
Paraphrased as a chinese proverb stating "The beginning of wisdom is to call things by their proper name."
Source: The Analects of Confucius
Source: The Analects, Chapter XIII
[Kordić, Snježana, w:Snježana Kordić, Snježana Kordić, Serbo-Croatian, Languages of the World/Materials 148, Munich & Newcastle, Lincom Europa, 1997, 18, 3-89586-161-8, 37959860]

“Political correctness is tyranny with manners.”
Speech at the Harvard Law School (1999), as quoted in "Appreciation : Charlton Heston" in TIME magazine (6 April 2008) http://www.time.com/time/arts/article/0,8599,1728272,00.html

“Political correctness is a war on noticing.”
World War T http://takimag.com/article/world_war_t_steve_sailer/print#axzz4A3cQmle0, Taki's Magazine, January 22, 2014

2010s, 2016, June, Speech about the Orlando Shooting (June 13, 2016)

“Political Correctness is Cultural Marxism in action.”
"The Curse Of Cultural Marxism" (7 July 2018) https://www.youtube.com/watch?v=trAyp5XXQgo#t=5m25s
2018