Statement to John Hill Brinton at the start of his Tennessee River Campaign, early 1862. "Personal Memoirs of John H. Brinton, Major and Surgeon U.S.V., 1861-1865". Book by John H. Brinton, p. 239, 1914.
Alexander Hamilton, James Madison, John Jay (1852). “The Federalist, on the new constitution, written in 1788, with an appendix, containing the letters of Pacificus and Helvidius on the proclamation of neutrality of 1793, also the original articles of confederation and the constitution of the United States”, p.451
Attributed in Patton (motion picture) (1970). This is sometimes said to have been uttered in a speech by Patton to the Sixth Armored Division of the Third Army, 31 May 1944, but documentation is lacking. The following poem appeared in the Bureau of Aeronautics Navy Department News Letter, 1 Jan. 1943: "The greatest duty of a sailor / Is duty from worries and cares, / Not to die for his country, / Make our enemies die for theirs!"
Albert Einstein (2015). “Bite-Size Einstein: Quotations on Just About Everything from the Greatest Mind of the Twentieth Century”, p.56, St. Martin's Press