"Essai sur le Mérite de la Vertu". A translation and adaptation of "Inquiry concerning Virtue or Merit" by Anthony Ashley-Cooper, 3rd Earl of Shaftesbury, 1745.
Speaking to the Roman Senate, as recorded by Sallust in The Catiline War (c. 40 b.c.). This quotation is a favorite of CIA counterintelligence officers.
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.