Each department should have a will of its own; and consequently should be so constituted that the members of each should have as little agency as possible in the appointment of the members of the others.

Madison, James. "No. 51: How to maintain: make the parts check each other. Also, a federal system divides power further.--Madison (or Hamilton)." The Federalist: A Commentary on the Constitution of the United States, edited by Robert Scigliano. The Modern Library, 2001.

Franklin, Benjamin. Quoted in "'A Republic if you can keep it': Elizabeth Willing Powwel, Benjamin Franklin, and the James McHenry Journal. Library of Congress. Posted 6 Jan. 2022, blogs.loc.gov/manuscripts.

Hamilton, Alexander. "No. I: Deliberation on a new constitution--Hamilton." The Federalist: A Commentary on the Constitution of the United States, edited by Robert Scigliano. The Modern Library, 2001.