However much we may differ in the choice of the measures which should guide the administration of the government, there can be but little doubt in the minds of those who are really friendly to the republican features of our system that one of its most important securities consists in the separation of the legislative and executive powers at the same time that each is acknowledged to be supreme, in the will of the people constitutionally expressed.
Andrew Jackson (1767–1845), U.S. president. Seventh annual message to Congress, December 7, 1835. Compilation of the Messages and Papers of the Presidents, vol. II, ed. J.D. Richardson, Washington (1908).