Thomas Paine, Jean-Jacques Rousseau (1834). “The Theological Works of Thomas Paine: To which are Added the Profession of Faith of a Savoyard Vicar”, p.241
Henry David Thoreau (2017). “HENRY DAVID THOREAU – The Man, The Philosopher & The Trailblazer (Illustrated): Biographies, Memoirs, Autobiographical Books & Personal Letters (Including Walden, A Week on the Concord and Merrimack Rivers, The Maine Woods, Cape Cod, A Yankee in Canada…)”, p.597, e-artnow