Eugene V. Debs' speech he gave across the street from a jail, where he had just visited three socialists who were in prison for opposing the draft, June 1918.
"Federalist No. 10. The Same Subject Continued: The Union as a Safeguard Against Domestic Faction and Insurrection" by James Madison, www.congress.gov. November 23, 1787.
George Bernard Shaw (2015). “George Bernard Shaw: The Collected Plays (Illustrated): 60 plays including Caesar and Cleopatra, Pygmalion, Saint Joan, The Apple Cart, Cymbeline, Androcles And The Lion, The Man Of Destiny, The Inca Of Perusalem and Macbeth Skit”, p.3389, e-artnow