Thomas Jefferson Quotes about Gratitude

Thomas Jefferson (1829). “Memoirs, correspondence and private papers of Thomas Jefferson, ed. by T.J. Randolph”, p.372
Thomas Jefferson (1829). “Memoirs, Correspondence and Private Papers of Thomas Jefferson, Late President of the United States”, p.424
Thomas Jefferson, Jerry Holmes (2002). “Thomas Jefferson: A Chronology of His Thoughts”, p.166, Rowman & Littlefield
Thomas Jefferson, Henry Augustine Washington (1854). “The Writings of Thomas Jefferson: Correspondence, contin”, p.522
Thomas Jefferson (1861). “Correspondence”, p.135