Had not a conviction of the danger to which an unlimited occupation of the executive chair would expose the republican Constitution of our Government, made it conscientiously a duty to retire when I did, the fear of becoming a dotard and of being insensible of it, would of itself have resisted all solicitations to remain.
Thomas Jefferson, Henry Augustine Washington (1854). “The Writings of Thomas Jefferson: Being His Autobiography, Correspondence, Reports, Messages, Addresses, and Other Writings, Official and Private : Published by the Order of the Joint Committee of Congress on the Library, from the Original Manuscripts, Deposited in the Department of State”, p.4