Originál: (en) The word 'racism' is like ketchup. It can be put on practically anything – and demanding evidence makes you a 'racist.' 
Zdroj: [A Political Glossary, townhall.com, 2012-06-26, 2014-08-07, http://townhall.com/columnists/thomassowell/2012/06/26/a_political_glossary/page/full]
                                    
Thomas Sowell nejznámější citáty
Zdroj: [Sobek, Tomáš, Spravedlnost mezi utopií a realitou, Právník, 2017, listopad, 156, 11, 999-1014, https://kramerius.lib.cas.cz/view/uuid:656fe70c-9d63-464f-8b6f-14197a4b5db9?article=uuid:4e6cc747-ec75-40f9-a051-11b2187ba36d, 0231-6625]
                                        
                                        Originál: (en) To say that my relationship with editors has not always been a happy one would be to completely understate the situation. To me, the fact that I have never killed an editor is proof that the death penalty deters. However, since nowadays we are all supposed to confess to shameful episodes in our past, I must admit that I was once an editor. Only once. And I didn’t inhale. 
Zdroj: [Sowell, Thomas, Some Thoughts about Writing, Hoover Press, Hoover Institution Press, Stanford University, https://www.hoover.org/, 27. 2. 2001, 26.2.2021, https://www.hoover.org/research/some-thoughts-about-writing]
                                    
Thomas Sowell: Citáty anglicky
                                        
                                         Economic 'Plan'?" September 11, 2012 http://lewrockwell.com/sowell/sowell110.html="An. 
2010s
                                    
1980s–1990s, Barbarians inside the Gates and Other Controversial Essays (1999)
“Most problems do not get solved. They get superseded by other concerns.”
1980s–1990s, Barbarians inside the Gates and Other Controversial Essays (1999)
                                        
                                         Random thoughts http://www.jewishworldreview.com/cols/sowell042902.asp, Jewish World Review, April 29, 2002 
2000s
                                    
                                        
                                        During a discussion in Milton Friedman's "Free to Choose" television series in 1980. 
1980s–1990s
                                    
“Right after liberal Democrats, the most dangerous politicians are country club Republicans.”
                                        
                                         Random Thoughts http://townhall.com/columnists/ThomasSowell/2008/08/26/random_thoughts?page=full&comments=true, 26 August 2008. 
2000s
                                    
                                        
                                        Barbarians inside the Gates? 
1980s–1990s, Barbarians inside the Gates and Other Controversial Essays (1999)
                                    
Zdroj: Discriminations and Disparities (2018), p. 17.
                                        
                                         Random Thoughts https://townhall.com/columnists/thomassowell/2004/12/06/random-thoughts-n996213, Townhall, December 2004. 
2000s
                                    
                                        
                                         https://www.sun-sentinel.com/news/fl-xpm-2003-12-26-0312241220-story.html, South Florida Sun Sentinel, December 26, 2003 
2000s
                                    
                                        
                                        “Rise and fall of a business,” Monterey Herald, December 30, 2000 
2000s