At length, my dear Marquis, I am become a private citizen on the banks of the Potomac; and under the shadow of my own vine and my own fig-tree, free from the bustle of a camp, and the busy scenes of public life, I am solacing myself with those tranquil enjoyments, of which the soldier, who is ever in pursuit of fame, the statesman, whose watchful days and sleepless nights are spent in devising schemes to promote the welfare of his own, perhaps the ruin of other countries, as if this globe was insufficient for us all, and the courtier, who is always watching the countenance of his prince, in hopes of catching a gracious smile, can have very little conception. I have not only retired from all public employments, but I am retiring within myself, and shall be able to view the solitary walk, and tread the paths of private life, with heartful satisfaction. Envious of none, I am determined to be pleased with all; and this, my dear friend, being the order of my march, I will move gently down the stream of life, until I sleep with my fathers.[1] [Footnote 1: Hapgood, 287.] In September, 1784, he made a journey on horseback, with a pack-train to carry his tents and food, into the Northwestern country, which had especially interested him since the early days when Fort Duquesne was the goal of his wandering. He observed very closely and his mind was filled with large imaginings of what the future would see in the development of the Northwest. Since his youth he had never lost the conviction that an empire would spring up there; only make the waterways easy and safe and he felt sure that a very large commerce would result and with it the extension of civilization. In a memorial to the legislature he urged that Virginia was the best placed geographically of all the States to undertake the work of establishing connection with the States of the Northwest, and he suggested various details which, when acted upon later, proved to be, as Sparks remarked, "the first suggestion of the great system of internal improvements which has since been pursued in the United States." On returning to Mount Vernon, he entertained Lafayette for the last time before he sailed for France. After he had gone, Washington wrote him this letter in which appears the affection of a friend and the reverie of an old man looking somewhat wistfully towards sunset, "and after that the dark":