It is important, likewise, that the habits of thinking in a free Country should inspire caution in those entrusted with its administration, to confine themselves within their respective Constitutional spheres; avoiding in the exercise of the Powers of one department to encroach upon another.
United States. President, George Washington, United States (1825). “The speeches, addresses and messages, of the several presidents of the United States, at the openings of Congress and at their respective inaugurations: Also, the Declaration of independence, the Constitution of the United States, and Washington's farewell address to his fellow-citizens”, p.106
