"...to support the Constitution, which is the cement of the Union, as well in its limitations as in its authorities; to respect the rights and authorities reserved to the States and to the people as equally incorporated with and essential to the success of the general system;... to keep within the requisite limits a standing military force, always remembering that an armed and trained militia is the firmest bulwark of republics-that without standing armies their liberty can never be in danger, nor with large ones safe."