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.
Robert Boyle (1738). “The Philosophical Works of the Honourable Robert Boyle Esq; Abridged, Methodized, and Disposed Under the General Heads of Physics, Statics, Pneumatics, Natural History, Chymistry, and Medicine. The Whole Illustrated with Notes, Containing the Improvements Made in the Several Parts of Natural and Experimental Knowledge Since His Time. In Three Volumes. By Peter Shaw, M.D.”, p.28
Joseph Story (2012). “A Familiar Exposition of the Constitution of the United States: Containing a Brief Commentary on Every Clause, Explaining the True Nature, Reasons, and Objects Thereof : Designed for the Use of School Libraries and General Readers : with an Appendix, Containing Important Public Documents, Illustrative of the Constitution”, p.265, The Lawbook Exchange, Ltd.