As the people of the United States enjoy the great merit of having established a system of Government on the basis of human rights, and of giving it a form without example, which, as they believe, unites the greatest national strength with the best security for public order and individual liberty, they owe to themselves, to their posterity and to the world, a preservation of the system in its purity, its symmetry, and its authenticity.
Selections from the Private Correspondence of James Madison, from 1813 to 1836 (ed. 1859)