It will be remembered, that a frequent recurrence to fundamental principles is solemnly enjoined by most of the state constitutions, and particularly by our own, as a necessary safeguard against the danger of degeneracy, to which republics are liable, as well as other governments, though in a less degree than others.
James Madison (1836). “The Debates in the Several State Conventions on the Adoption of the Federal Constitution: As Recommended by the General Convention at Philadelphia in 1787. Together with the Journal of the Federal Convention, Luther Martin's Letter, Yates's Minutes, Congressional Opinions, Virginia and Kentucky Resolutions of '98-'99, and Other Illustrations of the Constitution”, p.550